问题标题:
3.2乘[(1.12+1.52)除以0.25]
问题描述:
3.2乘[(1.12+1.52)除以0.25]
任庆生回答:
=3.2x[(1.12+1.52)x4]=3.2x2.64x4=33.792
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3.2乘[(1.12+1.52)除以0.25]