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新版初一数学上册有理数的乘除法一百道题(含答案)

2023-03-11 来源:意榕旅游网
2012新版初一数学上册有理数的乘除法一百道题(含答案)

七年级数学第二次百题竞赛

每小题2分,满分200分 姓名 得分

1. (1) (2) (3) (?7.6)×0.5 (4)

=?6 =14 =?3.8 =

(5) (6) (7) (8)

=24 =?72 =24 =12

(9) (10) (11) (?90.25)÷9.5

=3 =5 =?7

(12) (13) 4÷(?2) (14) 0÷(?1000) (15) ? ×(?1 )÷(?2 )

=? =?2 =0 =?0.5

(16) (17) ×(-9) (18) (?6) ×(?5) ×(?4) ×(?3) (19) (?9.3)×4.4

=3 =54 =360 =?40.92

(20) ×6÷(?7) (21) (22)

=?7 =22 =2

(23) (24)

=?48 =

(25) (26) (+48)÷(+6)

= =8

(27) (?1155)÷[(?11)×(+3)×(?5)] (28) 375÷=?7 =375

(29) (30)(?6)×5× (31)

=? =10 =?249

(32)(?4)×7×(?1)×(?0.25) (33)=?7 = =

(35) (36) (37) ?1 × 学

(34)

=-?60 =0 =?

(38) (39) (40)

=? =5 =?

(41) [ # (42)(+3 )×(3 ?7 )× × =?13.34 =?4

(43) 0×(?1)×(?2)×(?3)×(?4)=0 =?35

(45) (46)(?72)×(+1 ) (47)

=100 =?96 =?

(48)( + ? )×(?48) (49)

=?16 =?2000

(50)

=?

44) (? + )×(? 63)

2.(1) (?4) × (?7) (2)6 ×(?8) (3) (4)(?25)× 16

=28 =?48 = =?400

(5) 3 ×(?5)×(?7)× 4 (6)15 ×(?17)×(?19) (7)

=420 =4845 =-2

(8) (9) (10)

=? =?18 =0

(11) (12) (13)

=?99 =? =?10

(14) (15)(-6)×5×

=? =10

(16) (?5)×(?3)+( ?7)×(?3)+12×(?3) =0 =1

(18) (19) (20)

17)[(?2)?(?5)]÷[(?2)?(?5)]

(=2 =?0.09 =1

(21) (22) (23) ;

= =? =8

(24) (25) (26) -200÷(-8)

=?1 =1 =25

(27)-0.25÷ (28) (29)23÷ ×4 (30)-4÷(-9)÷3

=? = =184 =

(31)30÷( ) (32) (33) (34)(+5)÷(- )

=36 =?13 =? =?10

(35)(-2 )÷(-10)×(-3 )÷(-5) (36)

= =?

(37) ( ) (38)(?27)÷9 (39)?0.125÷

=?14 =?3 =

(40)3.75?(+4)+( ?5.5)+( ?6) (41)7×(1?4×3)×(?2) (42)?36÷(?6) ?72÷(?8)

=?11.75 =154 =15

(43)?32÷(?2)+(?2)×(?8)?2 (44)(?3)?[?5+(?1×0.6)÷3]

=30 =2.2

(45)(?3)×(?7)?(? )÷(? ) (46)?8?[?7+(1? ×0.6)÷(?3)]

=20 =?

(47)?1?0.5?1÷0.25×[?2?(?3) ] (48)

=?3 =?240

(49)- ÷(-2 )- ×(-1 )-0.75

=

(50)(-2 )÷(-10)×(-3 )÷(-5)

=

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