0.375×4又3/8-3/8+15.625×3.75%=

题目详情

0.375×4又3/8-3/8+15.625×3.75% =

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答案和解析

是0.375×4又3/8-3/8+15.625×37.5%
=0.375×4又3/8-0.375+15.625×0.375
=0.375×(4又3/8-1+15.625)
=0.375×19
=7.125

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