题目内容
0.8+0.8+0.8+0.8=________×________.
0.8 4
分析:根据乘法的意义,求几个相同加数的和的简便运算叫做乘法.0.8+0.8+0.8+0.8表示4个0.8的和,用乘法列式为0.8×4;由此解答.
解答:0.8+0.8+0.8+0.8=0.8×4;
故答案为:0.8×4.
点评:此题主要考查小数乘法的意义,小数乘法的意义与整数乘法的意义相同,都表示求几个相同加数的和的简便运算.
分析:根据乘法的意义,求几个相同加数的和的简便运算叫做乘法.0.8+0.8+0.8+0.8表示4个0.8的和,用乘法列式为0.8×4;由此解答.
解答:0.8+0.8+0.8+0.8=0.8×4;
故答案为:0.8×4.
点评:此题主要考查小数乘法的意义,小数乘法的意义与整数乘法的意义相同,都表示求几个相同加数的和的简便运算.
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