能简便计算的要简算5×0.125×16(34-15÷4)×5148.5×34+7.5×75%80%×45-60%÷14514÷[(35-14)×27]34÷[(14+35)-34].-数学
题文
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答案
(1)5×0.125×16, =5×0.125×2×8, =(5×2)×(0.125×8), =10×1, =10; (2)(
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(3)8.5×
=8.5×75%+7.5×75%, =(8.5+7.5)×75%, =16×75%, =12; (4)80%×45-60%÷
=80%×45-60%×45, =(80%-60%)×45, =20%×45, =9; (5)
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