4.4乘0.1加2.2乘0.8怎样简便计算
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解:4.4*0.1+2.2*0.8 =2.2*0.2+2.2*0.8 =2.2*(0.2+0.8) = 2.2*1 =2.2
咨询记录 · 回答于2022-11-08
4.4乘0.1加2.2乘0.8怎样简便计算
解:4.4*0.1+2.2*0.8 =2.2*0.2+2.2*0.8 =2.2*(0.2+0.8) = 2.2*1 =2.2
把4.4拆分成2.2*2,再和后面的合并计算就简单了。