题目内容
计算:28.67×67+32×28.67+573.4×0.05=
2867
2867
.分析:可将算式中的573.4×0.05分解成28.67×(20×0.05),然后再据分配律进行巧算.
解答:解:28.67×67+32×28.67+573.4×0.05,
=28.67×67+32×28.67+28.67×(20×0.05),
=28.67×(67+32+1),
=28.67×100,
=2867.
故答案为:2867.
=28.67×67+32×28.67+28.67×(20×0.05),
=28.67×(67+32+1),
=28.67×100,
=2867.
故答案为:2867.
点评:完成本题要认真分析式中数据,然后找出合适的巧算方法.
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