-19又1/7+5又1/4-3又1/7-5又1/4+12又2/7 咋算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 07:19:31
![-19又1/7+5又1/4-3又1/7-5又1/4+12又2/7 咋算](/uploads/image/z/335375-71-5.jpg?t=-19%E5%8F%881%2F7%2B5%E5%8F%881%2F4-3%E5%8F%881%2F7-5%E5%8F%881%2F4%2B12%E5%8F%882%2F7+%E5%92%8B%E7%AE%97)
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-19又1/7+5又1/4-3又1/7-5又1/4+12又2/7 咋算
-19又1/7+5又1/4-3又1/7-5又1/4+12又2/7 咋算
-19又1/7+5又1/4-3又1/7-5又1/4+12又2/7 咋算
-19又1/7+5又1/4-3又1/7-5又1/4+12又2/7
=(-19又1/7-3又1/7+12又2/7)+(5又1/4-5又1/4)
=-10+0
=-10
算你妹,不会用计算器啊,