问题标题:
【[(5/8-0.625)*1000+3.6*25/9]/25/8简便计】
问题描述:
[(5/8-0.625)*1000+3.6*25/9]/25/8简便计
罗艳斌回答:
=(0*1000+3.6*25/9)÷25/8
=3.6×25/9×8/25
=3.6×(25/9×8/25)
=3.6×8/9
=0.4×8
=3.2
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