5÷6= ÷7=
=÷ ÷=
7.2×1.017.2 0.60.66 0.93÷0.030.93
3.2÷0.013.2×0.01 0.04×3.573.57×0.14
2.65÷3.4≈(得数保留三位小数)
★2.35×1.2=