早教吧作业答案频道 -->数学-->
计算.37+58+4715+16+171310-310+4135-47-37716+35-71657+514-1.
题目详情
3 |
7 |
5 |
8 |
4 |
7 |
1 |
5 |
1 |
6 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
3 |
7 |
5 |
8 |
4 |
7 |
1 |
5 |
1 |
6 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
5 |
8 |
4 |
7 |
1 |
5 |
1 |
6 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
4 |
7 |
1 |
5 |
1 |
6 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
1 |
5 |
1 |
6 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
1 |
6 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
1 |
7 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
3 |
10 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
3 |
10 |
4 |
13 |
5-
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
4 |
13 |
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
4 |
7 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
3 |
7 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
7 |
16 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
3 |
5 |
7 |
16 |
5 |
7 |
5 |
14 |
7 |
16 |
5 |
7 |
5 |
14 |
5 |
7 |
5 |
14 |
5 |
14 |
▼优质解答
答案和解析
(1)
+
+
=
+
+
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
3 3 37 7 7+
+
=
+
+
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
5 5 58 8 8+
=
+
+
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 47 7 7
=
+
+
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
3 3 37 7 7+
+
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 47 7 7+
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
5 5 58 8 8
=1+
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
5 5 58 8 8
=1
;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
5 5 58 8 8;
(2)
+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
1 1 15 5 5+
+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
1 1 16 6 6+
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
1 1 17 7 7
=
+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
11 11 1130 30 30+
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
1 1 17 7 7
=
;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
107 107 107210 210 210;
(3)1
-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
3 3 310 10 10-
+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
3 3 310 10 10+
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 413 13 13
=1+
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 413 13 13
=1
;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 413 13 13;
(4)5-
-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 47 7 7-
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
3 3 37 7 7
=5-(
+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
4 4 47 7 7+
)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
3 3 37 7 7)
=5-1
=4;
(5)
+
-
=
-
+
=
;
(6)
7 7 716 16 16+
-
=
-
+
=
;
(6)
3 3 35 5 5-
=
-
+
=
;
(6)
7 7 716 16 16
=
-
+
=
;
(6)
7 7 716 16 16-
+
=
;
(6)
7 7 716 16 16+
=
;
(6)
3 3 35 5 5
=
;
(6)
3 3 35 5 5;
(6)
举报
问题解析 问题解析
(1)根据加法交换律进行简算;
(2)按照从左向右的顺序进行计算;
(3)按照从左向右的顺序进行计算;
(4)根据减法的性质进行简算;
(5)根据加法交换律进行简算;
(6)按照从左向右的顺序进行计算. (1)根据加法交换律进行简算;
(2)按照从左向右的顺序进行计算;
(3)按照从左向右的顺序进行计算;
(4)根据减法的性质进行简算;
(5)根据加法交换律进行简算;
(6)按照从左向右的顺序进行计算.名师点评 名师点评
本题考点: 本题考点:
分数的加法和减法. 分数的加法和减法.
考点点评: 考点点评:
此题主要考查分数的四则混合运算的运算顺序和应用运算定律进行简便计算. 此题主要考查分数的四则混合运算的运算顺序和应用运算定律进行简便计算.
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3 |
7 |
5 |
8 |
4 |
7 |
=
3 |
7 |
4 |
7 |
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
7 |
5 |
8 |
4 |
7 |
=
3 |
7 |
4 |
7 |
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
5 |
8 |
4 |
7 |
=
3 |
7 |
4 |
7 |
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
7 |
=
3 |
7 |
4 |
7 |
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
7 |
4 |
7 |
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
7 |
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
5 |
8 |
=1+
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
5 |
8 |
=1
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
5 |
8 |
(2)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
1 |
5 |
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
1 |
6 |
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
1 |
7 |
=
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
11 |
30 |
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
1 |
7 |
=
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
107 |
210 |
(3)1
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
10 |
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
10 |
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
13 |
=1+
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
13 |
=1
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
13 |
(4)5-
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
7 |
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
7 |
=5-(
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
4 |
7 |
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
7 |
=5-1
=4;
(5)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
7 |
16 |
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
5 |
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
7 |
16 |
=
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
7 |
16 |
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
7 |
16 |
3 |
5 |
=
3 |
5 |
(6)
3 |
5 |
=
3 |
5 |
(6)
3 |
5 |
(6)
作业帮用户
2017-10-24
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作业帮用户作业帮用户
2017-10-242017-10-24
举报



- 问题解析
- (1)根据加法交换律进行简算;
(2)按照从左向右的顺序进行计算;
(3)按照从左向右的顺序进行计算;
(4)根据减法的性质进行简算;
(5)根据加法交换律进行简算;
(6)按照从左向右的顺序进行计算.
(2)按照从左向右的顺序进行计算;
(3)按照从左向右的顺序进行计算;
(4)根据减法的性质进行简算;
(5)根据加法交换律进行简算;
(6)按照从左向右的顺序进行计算.
(2)按照从左向右的顺序进行计算;
(3)按照从左向右的顺序进行计算;
(4)根据减法的性质进行简算;
(5)根据加法交换律进行简算;
(6)按照从左向右的顺序进行计算.
- 名师点评
-
- 本题考点:
- 分数的加法和减法.
-
- 考点点评:
- 此题主要考查分数的四则混合运算的运算顺序和应用运算定律进行简便计算.
- 本题考点:
- 分数的加法和减法.
- 本题考点:
- 分数的加法和减法.
- 考点点评:
- 此题主要考查分数的四则混合运算的运算顺序和应用运算定律进行简便计算.
- 考点点评:
- 此题主要考查分数的四则混合运算的运算顺序和应用运算定律进行简便计算.






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