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(2012•北京模拟)(1)3015-3015÷15(2)1314-1315+114-215(3)(1-14+13)÷26(4)6.3÷[(417-0.07×50)÷127].
题目详情
13 |
14 |
13 |
15 |
1 |
14 |
2 |
15 |
(3)(1-
1 |
4 |
1 |
3 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
13 |
14 |
13 |
15 |
1 |
14 |
2 |
15 |
(3)(1-
1 |
4 |
1 |
3 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
13 |
15 |
1 |
14 |
2 |
15 |
(3)(1-
1 |
4 |
1 |
3 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
1 |
14 |
2 |
15 |
(3)(1-
1 |
4 |
1 |
3 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
2 |
15 |
1 |
4 |
1 |
3 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
1 |
4 |
1 |
3 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
1 |
3 |
1 |
7 |
2 |
7 |
1 |
7 |
2 |
7 |
2 |
7 |
▼优质解答
答案和解析
(1)3015-3015÷15,
=3015-201,
=3015-200-1,
=2815-1,
=2814;
(2)
-
+
-
,
=(
+
)-(
+
),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
13 13 1314 14 14-
+
-
,
=(
+
)-(
+
),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
13 13 1315 15 15+
-
,
=(
+
)-(
+
),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
1 1 114 14 14-
,
=(
+
)-(
+
),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
2 2 215 15 15,
=(
+
)-(
+
),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
13 13 1314 14 14+
1 1 114 14 14)-(
+
),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
13 13 1315 15 15+
2 2 215 15 15),
=1-1,
=0;
(3)(1-
+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
1 1 14 4 4+
)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
1 1 13 3 3)÷26,
=(
+
)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
3 3 34 4 4+
1 1 13 3 3)÷26,
=
÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
13 13 1312 12 12÷26,
=
;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
1 1 124 24 24;
(4)6.3÷[(4
-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
1 1 17 7 7-0.07×50)÷1
],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
2 2 27 7 7],
=6.3÷[(4
-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
1 1 17 7 7-3.5)÷1
],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
2 2 27 7 7],
=6.3÷[
÷1
],
=6.3÷
,
=12.6.
9 9 914 14 14÷1
2 2 27 7 7],
=6.3÷
,
=12.6.
1 1 12 2 2,
=12.6.
=3015-201,
=3015-200-1,
=2815-1,
=2814;
(2)
13 |
14 |
13 |
15 |
1 |
14 |
2 |
15 |
=(
13 |
14 |
1 |
14 |
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
13 |
14 |
13 |
15 |
1 |
14 |
2 |
15 |
=(
13 |
14 |
1 |
14 |
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
13 |
15 |
1 |
14 |
2 |
15 |
=(
13 |
14 |
1 |
14 |
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
14 |
2 |
15 |
=(
13 |
14 |
1 |
14 |
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
2 |
15 |
=(
13 |
14 |
1 |
14 |
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
13 |
14 |
1 |
14 |
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
13 |
15 |
2 |
15 |
=1-1,
=0;
(3)(1-
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
4 |
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
3 |
=(
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
3 |
4 |
1 |
3 |
=
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
13 |
12 |
=
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
24 |
(4)6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
7 |
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
2 |
7 |
=6.3÷[(4
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
7 |
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
2 |
7 |
=6.3÷[
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
9 |
14 |
2 |
7 |
=6.3÷
1 |
2 |
=12.6.
1 |
2 |
=12.6.
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