问题标题:
【3.7×125%+1.25×2.7+3.6×125%】
问题描述:
3.7×125%+1.25×2.7+3.6×125%
牛莉丽回答:
3.7×125%+1.25×2.7+3.6×125%
=3.7×1.25+1.25×2.7+3.6×1.25
=1.25×(3.7+2.7+3.6)
=1.25×10
=12.5
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