(1)计算: | − 4 | × ( 3 − 1 ) 0 − 2
(2)解不等式: 3 x > 2 ( x + 1 ) − 1 .
计算.(每题4分,共8分) (1) (2)
计算:
计算:(每小题4分,本题共16分) (1) (2) (3) (4)
计算:(1)-7-11-9+5 (2)×2+÷4
计算题.(每题4分,共8分) (1)计算:-()-2+(-1)0; (2)+ +.