1/8×5.75+1.25×4.25简便计算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/11 01:46:36
1/8×5.75+1.25×4.25简便计算
1/8×5.75+1.25×4.2
=0.125×5.75+1.25×4.2
=0.125×(5.75+10×4.2)
=0.125×47.75
=5.96875
=0.125×5.75+1.25×4.2
=0.125×(5.75+10×4.2)
=0.125×47.75
=5.96875