看图计算,要有过程!谢谢!

2025-05-09 06:27:47
推荐回答(2个)
回答1:

① 8.75-(3又2/11-2又1/4)
=8又3/4-3又2/11+2又1/4
=8又3/4+2又1/4-3又2/11
=11-3又2/11
=10又11/11-3又2/11
=7又9/11

②-2/3+(-5/6)-(-1/9)-1/6
=-2/3-5/6+1/9-1/6
=-2/3+1/9-5/6-1/6
=-6/9+1/9-1
=-5/9-1
=-14/9

这是前两题

③3/4×(2/5-1/3)+7/8÷1/2
=3/4×(6/15-5/15)+7/8×2
=3/4×1/15+7/4
=1/20+7/4
=1/20+35/20
=36/20
=9/5

④12/25÷(-2/3)÷6/5
=-12/25×3/2×5/6
=-36/50×5/6
=-6/10
=-3/5

三四两题奉上,其余稍等

回答2:

1、8.75-(3又2/11-2又1/4)
=8又3/4+2又1/4-3又2/11
=11-3又2/11
=7又9/11
2、-2/3+(-5/6)-(-1/9)-1/6
=-4/9+1/9-(5/6+1/6)
=-1/3-1
=-1又1/3
3、3/4×(2/5-1/3)+7/8÷1/2
=3/10-1/4+7/4
=1.8
4、12/25÷(-2/3)÷6/5
=12/25×(-3/2)×5/6
=-3/5
5、(-3)×(-1又1/5)÷(-1又4/5)(-1/4)
=(-3)×(-6/5)×(-5/9)×(-1/4)
=1/2
6、[1-(-1/4)]×[(-2)^3+(-3)^2]
=5/4×1
=5/4
8、-3^2-|-5|-18÷|-(-3)^2|
=-9-5-2
=-16