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脱式计算,能简算的要简算37÷57×715613÷7+17×81327+57×15−114156÷(314÷613)
题目详情
脱式计算,能简算的要简算
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▼优质解答
答案和解析
(1)
÷
×
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;
(2)
÷7+
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(3)
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(4)
÷(
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3 |
7 |
5 |
7 |
7 |
15 |
=
3 |
5 |
7 |
15 |
=
7 |
25 |
(2)
6 |
13 |
1 |
7 |
8 |
13 |
=
6 |
13 |
1 |
7 |
1 |
7 |
8 |
13 |
=(
6 |
13 |
8 |
13 |
1 |
7 |
=
14 |
13 |
1 |
7 |
=
2 |
13 |
(3)
2 |
7 |
5 |
7 |
1 |
5 |
1 |
14 |
=
2 |
7 |
1 |
7 |
1 |
14 |
=
3 |
7 |
1 |
14 |
=
5 |
14 |
(4)
1 |
56 |
3 |
14 |
6 |
13 |
=
1 |
56 |
3 |
14 |
6 |
13 |
=
1 |
56 |
13 |
28 |
=
1 |
26 |
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