| 计算: (1)(-3)+(-4)-(+11)-(-19) (2)(4)-32×2+3×(-2)2 (3)(
(4)1
|
答案:
| (1)原式=-3-4-11+19 =-18+19 =1;(2)原式=-9×2+3×4 =-18+12 =-6;(3)原式=
=4-6-2 =4-8 =-4;(4)原式=
=
|

| 计算: (1)(-3)+(-4)-(+11)-(-19) (2)(4)-32×2+3×(-2)2 (3)(
(4)1
|
答案:
| (1)原式=-3-4-11+19 =-18+19 =1;(2)原式=-9×2+3×4 =-18+12 =-6;(3)原式=
=4-6-2 =4-8 =-4;(4)原式=
=
|