来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/18 06:07:59
脱式计算,能简便的要用简便方法计算45÷36 4.5÷1.8-0.9 26.4÷4.4 12.5×3.2 (30.6+1.08)÷0.9 0.35×14
45÷36=1.25 4.5÷1.8-0.9 =2.5-0.9=1.626.4÷4.4=612.5×3.2 =12.5x8x0.4=100x0.4=40(30.6+1.08)÷0.9 =31.68÷0.9 =35.20.35×14=0.35x2x7=0.7x7=4.9