3.9x6.2+39+0.38简便计算
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计算过程:3.9x6.2+39+0.38=3.9×(6+0.2)+39+0.38=3.9×6+3.9×0.2+39+0.38=23.4+0.78+39+0.38=63.56
咨询记录 · 回答于2022-10-19
3.9x6.2+39+0.38简便计算
您好,亲。39+0.38后面那里是乘号吧,是不是哦。
等于多少
计算过程:3.9x6.2+39+0.38=3.9×(6+0.2)+39+0.38=3.9×6+3.9×0.2+39+0.38=23.4+0.78+39+0.38=63.56
你也很哦
计算过程:3.9x6.2+39×0.38=3.9×6.2+3.9×10×0.38=3.9×6.2+3.9×3.8=3.9×(6.2+3.8)=3.9×10=39
您好,亲。后面是乘号就是这样进行计算。