87.2-15.4+21.7的脱式计算
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87.2-15.4+21.7的脱式计算是:87.2-15.4+21.7=71.8+21.7=93.5
咨询记录 · 回答于2022-08-16
87.2-15.4+21.7的脱式计算
87.2-15.4+21.7的脱式计算是:87.2-15.4+21.7=71.8+21.7=93.5
3.25+2.17+0.75
8.35+4.54+1.47
15.17-6.8-3.2
12.65+3.27-9.5
3.25+2.17+0.75=5.42+0.75=6.17
8.35+4.54+1.47=12.89+1.47=14.36
34.1-(5.6-2.39)
15.17-6.8-3.2=8.37−3.2=5.17
12.65+3.27-9.5=15.92−9.5=6.42
34.1-(5.6-2.39)=34.1−3.21=30.89