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0.15+0.15+0.15+0.15=________×________.

0.15    4
分析:依据乘法意义:求几个相同加数的和的简便运算解答.
解答:因为0.15+0.15+0.15+0.15是求4个相同加数0.15的和,
所以它可以写成0.15×4,
故答案为:0.15,4.
点评:本题主要考查学生对于乘法意义的掌握.
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科目:小学数学 来源: 题型:解答题

0.56÷0.04=1.44÷2=24.6÷0.6=4.5÷0.15=
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6÷0.3=5÷0.25=0.45×3=0.35×8=
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10a-1.8a=4.8×0.2=0.3÷0.15=0.15÷2=
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5.2÷13=8.2×0.01=1.72-0.73=1.6×0.4=
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