7.2×0.97.2 1.04×3.573.57×0.14 5.245.24÷0.7 3.2÷0.013.2×0.01
10.5×4.8=
7.49×1.2= 验算
0.17×0.71=(得数保留两位小数)
1.78×0.24=(精确到百分数)