计算:(1)-8+7-(-10)(2)?28÷(?4)×(?14)(3)?22?6÷(?2)×13?|?9+5|(4)(12?3+56?712)÷(?136)

2025-02-28 01:23:08
推荐回答(1个)
回答1:

(1)原式=-8+7+10
=-8+17
=9;

(2)原式=-28×
1
4
×
1
4

=-
7
4


(3)原式=-4+3×
1
3
-4
=-7;

(4)原式=(
1
2
-3+
5
6
-
7
12
)×(-36)
=
1
2
×(-36)-3×(-36)+
5
6
×(-36)-
7
12
×(-36)
=-18+108-30+21
=81.