简便计算 12.35*0.62+3.8*1.235
问题描述:
简便计算 12.35*0.62+3.8*1.235
答
12.35*0.62+3.8*1.235
=1.235*6.2+3.8*1.235
=1.235*(6.2+3.8)
=1.235*10
=12.35
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答
=1.235*6.2+3.8*1.235
=(6.2+3.8)*1.235
=10*1.235
=12.35
答
12.35*0.62+3.8*1.235
=1.235*6.2+3.8*1.235
=1.235x(6.2+3.8)
=1.235x10
=12.35