帮个忙,做几道计算题,-|-0.25|×9-5)×4×(-1/25)(-8)×(1/2-5/4+1/8)(-1/12-1/36+3/4-1/6)×(-48)-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 17:27:58
![帮个忙,做几道计算题,-|-0.25|×9-5)×4×(-1/25)(-8)×(1/2-5/4+1/8)(-1/12-1/36+3/4-1/6)×(-48)-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34](/uploads/image/z/1708363-19-3.jpg?t=%E5%B8%AE%E4%B8%AA%E5%BF%99%2C%E5%81%9A%E5%87%A0%E9%81%93%E8%AE%A1%E7%AE%97%E9%A2%98%2C-%7C-0.25%7C%C3%979-5%EF%BC%89%C3%974%C3%97%EF%BC%88-1%2F25%EF%BC%89%EF%BC%88-8%EF%BC%89%C3%97%EF%BC%881%2F2-5%2F4%2B1%2F8%EF%BC%89%EF%BC%88-1%2F12-1%2F36%2B3%2F4-1%2F6%EF%BC%89%C3%97%EF%BC%88-48%EF%BC%89-13%C3%972%2F3-0.34%C3%972%2F7%2B1%2F3%C3%97%EF%BC%88-13%29-5%2F7%C3%970.34)
帮个忙,做几道计算题,-|-0.25|×9-5)×4×(-1/25)(-8)×(1/2-5/4+1/8)(-1/12-1/36+3/4-1/6)×(-48)-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
帮个忙,做几道计算题,
-|-0.25|×9-5)×4×(-1/25)
(-8)×(1/2-5/4+1/8)
(-1/12-1/36+3/4-1/6)×(-48)
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
帮个忙,做几道计算题,-|-0.25|×9-5)×4×(-1/25)(-8)×(1/2-5/4+1/8)(-1/12-1/36+3/4-1/6)×(-48)-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
第一道是:(-|-0.25|×9-5)×4×(-1/25)吗?如果是
=(-1/4*9-5)*4×(-1/25)
=(-9-20)×(-1/25)
=29/25
(2)=(-8)*(-5/8)=5
(3)=4+4/3-36+8=-68/3
(4)=-13(2/3+1/3)-0.34(2/7+5/7)=-13-0.34=-13.34
(1)题目你输的不对
(2)=(-8)*(-5/8)=-5
(3)=(-3/36-1/36+27/36-6/36)*(-48)=-68/3
(4)=-13(2/3+1/3)-0.34(2/7+5/7)=-13-0.34=-13.34