52×0.51-5.1×0.2简便计算怎么做
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52×0.51-5.1×0.2
=52x0.51-0.51x10x0.2
=52x0.51-0.51x2
=(52-2)x0.51
=50x0.51
=50x0.5+50x0.01
=25+0.5
=25.5
咨询记录 · 回答于2021-11-30
52×0.51-5.1×0.2简便计算怎么做
52×0.51-5.1×0.2=52x0.51-0.51x10x0.2=52x0.51-0.51x2=(52-2)x0.51=50x0.51=50x0.5+50x0.01=25+0.5=25.5
52×0.51-5.1×0.2=52x0.51-0.51x10x0.2=52x0.51-0.51x2=(52-2)x0.51=50x0.51=50x0.5+50x0.01=25+0.5=25.5
52×0.51-5.1×0.2=25.5,简便计算过程已经发送,希望对你有所帮助。
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