随堂检测(一)有理数的四则运算(2014.9.30)
班级 姓名 评分
1-18题每小题2分,19-34题每小题4分,满分100分,时间45分钟
(1)15+(-22) (2)(-13)+(-8)
(3)(-0.9)+1.51 (4)
12?(?) (5)(?2)?(?9) (7)5.6?(?4.8)
(9) (-7)×3 (10) (
(11) (-6)×(-7) (12) (
(13)(?8.2)?(?1) (15)???312??????2????7?? (17)(?1.5)????21??7?? (19)(?7)?9?(?3)?(?5)
(21)0?12?(?3.25)?2314?72
23(6)0?11 (8)(?41)?5324 -48)×(-3) ?23)×9 (14)(?2.25)?(?80)
(16)(?2.5)?????21?3???0
(18)(?308)????17??28?? (20)?4.2?5.7?8.4?10 (22)(?323)?(?2.4)?(?123)?(?45)
(23)??3?1??1??1?1?2????6????? ????(?1) (24)????????2??3?6 (25)??2?3?15?1?2?????30? (27)?12?????1?3???????1?6??
(29)1.2?1????5??3?6????9?
(31)8???1???0.125????3??(?2)
(33)0.8????2??7???1.4?0???1.2?
?3?4?9?26)?3???2????1??6 (28)??18????421???9?3?2?? (30)?200?5?6?(?300)??1???2?? (32)0???2??34???1.25? (34)??0.5??72???11.5??2 (