-24+[(-4)2-(1-32)×2]
(本题16分)计算: ⑴ ⑵ (3) -14×(-2)+(-5)×2+4× (4)
计算: (1)(2)
(本题满分8分,每小题4分)计算: (1)-11-28-(-3)×11; (2).
计算:(每小题4分,共8分) (1)(2)
计算:.
计算下列算式: (1)(+- )×(-60);(2)-22-(1- ×0.2)÷(-2)3
(本题12分)计算: (1) (2)
(-3)×(-9)-(-5)
(1) (2)
2+(-3)-(-5)
计算(每小题5分,共20分) (1) 5+()―3― (2) (3)-3÷(-1)×(-4) (4)
计算