初等数学十进制乘除法 0.396 ÷ 1.2 = 0.756 ÷ 0.36 = 15.6× 13 = 0.18× 15 = 0.025× 1.4 = 3.04.×22 = 90.75÷3.3 3.68×0.25 16.9÷0.13 = 130 1.55÷3.9 3.7×0.16 13.76×1.8 = 5.2×1.6 8.4×6544805×22 90.75÷3.3 3.68×0.25 1.垂直计算。18.25× 34 = 2.垂直计算。9.35× 4.2 = 3.垂直计算。15.07× 9.