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用递等式计算(能简算的简算,并写出简算过程)345-2442÷37+34(4-3.5×23)÷119180÷15+42×33-2398.59-2.07÷0.3×1.1(225-3.5÷258)×(25
题目详情
用递等式计算(能简算的简算,并写出简算过程) 345-2442÷37+34 (4-3.5×
180÷15+42×33-239 8.59-2.07÷0.3×1.1 (2
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345-2442÷37+34
(4-3.5×
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180÷15+42×33-239
8.59-2.07÷0.3×1.1
(2
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5 |
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12 |
[6-(
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9 |
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345-2442÷37+34
(4-3.5×
2 |
3 |
1 |
9 |
180÷15+42×33-239
8.59-2.07÷0.3×1.1
(2
2 |
5 |
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8 |
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12 |
[6-(
4 |
9 |
3 |
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345-2442÷37+34
(4-3.5×
2 |
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9 |
180÷15+42×33-239
8.59-2.07÷0.3×1.1
(2
2 |
5 |
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5 |
12 |
[6-(
4 |
9 |
3 |
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345-2442÷37+34
(4-3.5×
2 |
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1 |
9 |
180÷15+42×33-239
8.59-2.07÷0.3×1.1
(2
2 |
5 |
5 |
8 |
5 |
12 |
[6-(
4 |
9 |
3 |
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180÷15+42×33-239
8.59-2.07÷0.3×1.1
(2
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[6-(
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180÷15+42×33-239
8.59-2.07÷0.3×1.1
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▼优质解答
答案和解析
(1)345-2442÷37+34,=345-66+34,=279+34,=313;(2)(4-3.5× 2 3 )÷1 1 9 ,=(4- 7 2 × 2 3 )× 9 10 ,=(4- 7 3 )× 9 ...
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