计算下列各题:
(1)(-2)+(-8)
(2)1+(-2)+|-2-3|-5
(3)
(4)
(5)﹣3﹣[﹣5+(1﹣2×)÷(﹣2)] (6)25×(-18)+(-25)×12+25×(-10 )
计算:(每小题4分,共24分)
(1)-5-1+3-7
(2)(—3)+(+8
)—(—5
)
(3)
(4)
(5)3×(-4)+28÷(-7)
(6)
计算:(每小题4分,共16分)
(1)15-(-8)-12;
(2)-22-|-2|+(-2)2 ;
(3);
(4)22+2×[(-3) 2-3÷].
计算:
① (-3)+(―4)―(+8)―(―9);
②;
③;
④.
试题篮
()