早教吧作业答案频道 -->其他-->
解方程.47x+12x=30x−23x=566+45x=462x−23=16(1−58)x=151678x−14x=524.
题目详情
解方程.
x+
x=30 x−
x=
6+
x=46
x+
x=30
x+
x=30
4 4 7 7
1 1 2 2 x−
x=
x−
x=
2 2 3 3
5 5 6 6 6+
x=46 6+
x=46
4 4 5 5 2x−
=
(1−
)x=
x−
x=
. 2x−
=
2x−
=
2 2 3 3
1 1 6 6 (1−
)x=
(1−
)x=
5 5 8 8
15 15 16 16
x−
x=
.
x−
x=
.
7 7 8 8
1 1 4 4
5 5 24 24
| x−
| 6+
| ||||||||||||||
2x−
| (1−
|
|
| x−
| 6+
| ||||||||||||||
2x−
| (1−
|
|
4 |
7 |
1 |
2 |
2 |
3 |
5 |
6 |
4 |
5 |
4 |
7 |
1 |
2 |
4 |
7 |
1 |
2 |
4 |
7 |
1 |
2 |
2 |
3 |
5 |
6 |
2 |
3 |
5 |
6 |
2 |
3 |
5 |
6 |
4 |
5 |
4 |
5 |
4 |
5 |
2 |
3 |
1 |
6 |
5 |
8 |
15 |
16 |
7 |
8 |
1 |
4 |
5 |
24 |
2 |
3 |
1 |
6 |
2 |
3 |
1 |
6 |
2 |
3 |
1 |
6 |
5 |
8 |
15 |
16 |
5 |
8 |
15 |
16 |
5 |
8 |
15 |
16 |
7 |
8 |
1 |
4 |
5 |
24 |
7 |
8 |
1 |
4 |
5 |
24 |
7 |
8 |
1 |
4 |
5 |
24 |
▼优质解答
答案和解析
(1)
x+
x=30
x=30
x÷
=30÷
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
4 4 47 7 7x+
x=30
x=30
x÷
=30÷
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 12 2 2x=30
x=30
x÷
=30÷
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
15 15 1514 14 14x=30
x÷
=30÷
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
15 15 1514 14 14x÷
=30÷
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. ÷
15 15 1514 14 14=30÷
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. ÷
15 15 1514 14 14
x=28;
(2)x-
x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
2 2 23 3 3x=
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
5 5 56 6 6
x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 13 3 3x=
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
5 5 56 6 6
x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 13 3 3x÷
=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. ÷
1 1 13 3 3=
÷
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
5 5 56 6 6÷
1 1 13 3 3
x=2
;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 12 2 2;
(3)6+
x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
4 4 45 5 5x=46
6+
x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
4 4 45 5 5x-6=46-6
x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
4 4 45 5 5x÷
=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. ÷
4 4 45 5 5=40÷
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. ÷
4 4 45 5 5
x=50;
(4)2x-
=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
2 2 23 3 3=
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 16 6 6
2x-
+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
2 2 23 3 3+
=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. +
2 2 23 3 3=
+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 16 6 6+
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. +
2 2 23 3 3
2x÷2=
÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
5 5 56 6 6÷2
x=
;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
5 5 512 12 12;
(5)(1-
)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
5 5 58 8 8)x=
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
15 15 1516 16 16
x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
3 3 38 8 8x=
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
15 15 1516 16 16
x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
3 3 38 8 8x÷
=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
. ÷
3 3 38 8 8=
÷
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
15 15 1516 16 16÷
3 3 38 8 8
x=2
;
(6)
x−
x=
x=
x÷
=
÷
x=
.
1 1 12 2 2;
(6)
x−
x=
x=
x÷
=
÷
x=
.
7 7 78 8 8x−
1 1 14 4 4x=
5 5 524 24 24
x=
x÷
=
÷
x=
.
5 5 58 8 8x=
x÷
=
÷
x=
.
5 5 524 24 24
x÷
=
÷
x=
.
5 5 58 8 8x÷
=
÷
x=
. ÷
5 5 58 8 8=
÷
x=
.
5 5 524 24 24÷
5 5 58 8 8
x=
.
1 1 13 3 3.
4 |
7 |
1 |
2 |
15 |
14 |
15 |
14 |
15 |
14 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
4 |
7 |
1 |
2 |
15 |
14 |
15 |
14 |
15 |
14 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
2 |
15 |
14 |
15 |
14 |
15 |
14 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
14 |
15 |
14 |
15 |
14 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
14 |
15 |
14 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
14 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
14 |
x=28;
(2)x-
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
2 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
6 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
6 |
1 |
3 |
x=2
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
2 |
(3)6+
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
4 |
5 |
6+
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
4 |
5 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
4 |
5 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
4 |
5 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
4 |
5 |
x=50;
(4)2x-
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
2 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
6 |
2x-
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
2 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
2 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
6 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
2 |
3 |
2x÷2=
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
6 |
x=
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
12 |
(5)(1-
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
8 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
16 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
3 |
8 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
16 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
3 |
8 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
3 |
8 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
15 |
16 |
3 |
8 |
x=2
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
2 |
(6)
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
7 |
8 |
1 |
4 |
5 |
24 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
8 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
24 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
8 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
8 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
5 |
24 |
5 |
8 |
x=
1 |
3 |
1 |
3 |
看了 解方程.47x+12x=30...的网友还看了以下:
函数f(x)=x|x-a|(a属于R).(1)求f(x)的单调区间;(2)解关于x的不等式f(x) 2020-05-13 …
对于实数x,符号〔x〕表示不超过x的最大整数例如〔π〕=3,〔-1.08〕=-2,定义函数{x}= 2020-05-16 …
解分式方程:1/X-2+1/X-6=1/X-7+1/X-11/X-2+1/X-6=1/X-7+1/ 2020-05-16 …
用[x]表示不超过x的最大整数,记{x}=x-[x],其中x∈R,设f(x)=[x]•{x}.用[ 2020-06-04 …
高数求极限,设g(x)=x^2-3x+3fn(x)=1+g(x)+g(x)的2次方+g(x)的3次 2020-07-13 …
一些计算题,1.X/75=3/52.0.25:1/8=X:0.13.1/3:1/20=5/8:X4 2020-07-19 …
先阅读下面的材料,然后解答问题.通过计算,发现方程:x+1x=2+12的解为x1=2,x2=12;x 2020-10-31 …
因式分解初一!50分哦!(1)由(x+a)(x+b)=x^2+(a+b)x+ab,可得x^2+(a+ 2020-10-31 …
已知f(1+1/x)=x/1-x2,求f(x)的解析式+多一题已知f(√x+1)=x+2√x,求f( 2021-01-05 …
两道高数题1.f(x)是分段函数,当x不等于0时,f(x)=x^a*sin(1/x),当x=0时,f 2021-02-11 …