题目内容
计算:
=
解:0.22+
÷0.125-0.125×3
,
=0.04+
÷0.125-0.125×3.2,
=0.04+
÷0.125-0.4,
=0.04+8.75-0.4,
=8.79-0.4,
=8.39.
故答案为:8.39.
分析:先算出0.22=0.04,再化简繁分数,最后依据四则运算顺序解答.
点评:本题的难点是繁分数化简.
=0.04+
=0.04+
=0.04+8.75-0.4,
=8.79-0.4,
=8.39.
故答案为:8.39.
分析:先算出0.22=0.04,再化简繁分数,最后依据四则运算顺序解答.
点评:本题的难点是繁分数化简.
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