问题
解答题
计算 (1)-8-6+22-9 (2)
(3)(
(4)-22+3×(-1)4-(-4)×5 |
答案
(1)原式=-1;
(2)原式=
×(-7 6
)×1 6
÷3 14
=-3 5
×7 36
÷3 14
=- 3 5
×1 24
=-5 3
;5 72
(3)原式=
×(-36)=-25;25 36
(4)原式=-4+3×1+4×5=19.
计算 (1)-8-6+22-9 (2)
(3)(
(4)-22+3×(-1)4-(-4)×5 |
(1)原式=-1;
(2)原式=
×(-7 6
)×1 6
÷3 14
=-3 5
×7 36
÷3 14
=- 3 5
×1 24
=-5 3
;5 72
(3)原式=
×(-36)=-25;25 36
(4)原式=-4+3×1+4×5=19.