计算,能简算的要简算.
7-1÷8-
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3.14×50-45.72÷0.9 | 3.5÷〔
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(4.24÷4-0.01)×(1-
|
7-1÷8-
|
3.14×50-45.72÷0.9 | 3.5÷〔
| ||||||||||
|
|
(4.24÷4-0.01)×(1-
|