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(425×5775+4225×425)÷125÷8 用简便方法计算
人气:181 ℃ 时间:2020-03-29 17:15:15
解答
(425×5775+4225×425)÷125÷8
=425×(5775+4225)÷(125×8)
=425×10000÷1000
=425×10
=4250
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