网址:http://m.1010jiajiao.com/timu_id_751070[举报]
(10分)计算:(每小题5分)
(1) (2)( ﹣)÷
计算:(每小题4分,共16分)
⑴ ⑵
⑶ . ⑷
(1) (2)
(3) (4)