3.2+3.2+3.2+3.2+3.2改用乘法算式表示是
3.2×5
3.2×5
,這個乘法算式表示的意義是
3.2的5倍是多少
3.2的5倍是多少
分析:在3.2+3.2+3.2+3.2+3.2中,有5個3.2,所以改用乘法算式表示是 3.2×5;意義是3.2的5倍是多少.
解答:解:3.2+3.2+3.2+3.2+3.2改用乘法算式表示是3.2×5,這個乘法算式表示的意義是3.2的5倍是多少.
故答案為:3.2×5,3.2的5倍是多少.
點評:此題考查了把幾個相同加數(shù)的算式改成乘法算式的方法,以及對乘法算式意義的考查.
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