(163+1/13)÷(41+1/39)
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:2024/06/28 01:51:54
(163+1/13)÷(41+1/39)
(163+1/13)÷(41+1/39)简便运算
(163+1/13)÷(41+1/39)简便运算
=(160+40/13)÷(41*39+1)/39
=160×39/1600+40/13×39/1600
=39/10+3/40
=3+36/40+3/40
=3+39/40
=160×39/1600+40/13×39/1600
=39/10+3/40
=3+36/40+3/40
=3+39/40