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(0.25×76+23×4分之1+4分之1)÷0.1
人气:148 ℃ 时间:2020-09-21 14:52:04
解答
(0.25×76+23×4分之1+4分之1)÷0.1
=(0.25×76+0.25×23+0.25)÷0.1
=[0.25×(76+23+1)]÷0.1
=(0.25×100)÷0.1
=25÷0.1
=2.5
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