题目内容
【题目】直接写得数.
12.6﹣9= 13+6.7= 10﹣3.2= 0.06×0.7=
3.28÷4= 3.3×4×0= 100÷40= 0.05×1.6=
【答案】3.6,19.7,6.8,0.042,0.82,0,2.5,0.08
【解析】
试题分析:本题要运用到小数的加减乘除法的计算法则,小数的加减小数点要对齐,,一个数同0相乘仍的0,小数乘以小数积的小数位数就是两个因数的小数位数的和.
解:12.6﹣9=3.6,13+6.7=19.7,10﹣3.2=6.8,0.06×0.7=0.042,
3.28÷4=0.82,3.3×4×0=0,100÷40=2.5,0.05×1.6=0.08;
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