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[425乘5775 + 4225乘425 ]除125除8 简便方法计算
人气:130 ℃ 时间:2020-02-14 14:26:23
解答
(425×5775+4225×425)÷125÷8
= 425×(5775+4225)÷(125×8)
= 425×10000÷1000
= 425×(10000÷1000)
= 425×10
= 4250
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