问题
解答题
37.5×3×0.112+35.5×12.5×0.224=______．
答案
37.5×3×0.112+35.5×12.5×0.224
=12.5×3×3×0.112+35.5×12.5×0.224
=12.5×0.112×（3×3+35.5×2）
=12.5×0.112×80
=（12.5×80）×0.112
=1000×0.112
=112
故答案为：112．
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