题:80个0.7相加的和乘12.5怎么简算?

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题:80个0.7相加的和乘12.5怎么简算?题:80个0.7相加的和乘12.5怎么简算?题:80个0.7相加的和乘12.5怎么简算?0.7×80×12.5=0.7×(80×12.5)=0.7×1000

题:80个0.7相加的和乘12.5怎么简算?
题:80个0.7相加的和乘12.5怎么简算?

题:80个0.7相加的和乘12.5怎么简算?
0.7×80×12.5
=0.7×(80×12.5)
=0.7×1000
=700