计算下列各题(每小题5分,共25分)
(1)22+(-19)-(-8)+(+34)-(+15)
(2)
(3)
(4)-62÷12+ 5×(-3)2 -(-18)÷9
(5) (-)2×÷+(-2)÷()4
计算:(共24分每题4分)
(1) (2)-(-2)×(-3)
(3)()() (4)
(5)—14+〔1-(1-0.5×2)〕÷
(6)××(-2)4
计算:(共24分每题4分)
(1) (2)-(-2)×(-3)
(3)()() (4)
(5)—14+〔1-(1-0.5×2)〕÷
(6)20××(-2)4