题目内容
18.计算:875×$\frac{1}{5}$+38$\frac{3}{4}$×0.09-0.155×12.5.分析 先算乘法,再算加减法即可.
解答 解:875×$\frac{1}{5}$+38$\frac{3}{4}$×0.09-0.155×12.5
=175+3.4875-1.9375
=178.4875-1.9375
=176.55.
点评 本题考查了四则混合运算的顺序,先算乘除法,再算加减法.
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题目内容
18.计算:875×$\frac{1}{5}$+38$\frac{3}{4}$×0.09-0.155×12.5.分析 先算乘法,再算加减法即可.
解答 解:875×$\frac{1}{5}$+38$\frac{3}{4}$×0.09-0.155×12.5
=175+3.4875-1.9375
=178.4875-1.9375
=176.55.
点评 本题考查了四则混合运算的顺序,先算乘除法,再算加减法.