有理数的混合运算练习题(含答案)(大综合17套) 下载本文

同步练习(满分100分)

1.计算题:(10′×5=50′)

13- 24132(2)2.75-2-3+1

64313(3)42÷(-1)-1÷(-0.125)

24(1)3.28-4.76+1(4)(-48) ÷82-(-25) ÷(-6)2 (5)-

2517+(??)×(-2.4) 586122.计算题:(10′×5=50′)

312×(-1)2÷(1)2

335111(2)-14-(2-0.5)××[()2-()3]

3221213(3)-1×[1-3×(-)2]-( )2×(-2)3÷(-)3

23441218(4)(0.12+0.32) ÷[-2+(-3)2-3×]

1027(1)-23÷1

(5)-6.24×32+31.2×(-2)3+(-0.51) ×624.

2.计算:

(1)-32-(?5)?(?)?18??(?3); (2){1+[

325221313?(?)3]×(-2)4}÷(-??0.5) 44104(3)5-3×{-2+4×[-3×(-2)2-(-4) ÷(-1)3]-7}.

11; (3)-14; (4)-; (5)-2.9 21811372.(1)-3 (2)-1; (3)- ; (4)1; (5)-624.

5165419; (3)224 2.(1)-31; (2)-8271.(1)-0.73 (2)-111.计算:

31+5×(-3)÷15 (2)-3[-5+(1-0.2÷)÷(-2)]

5415111(3)[÷(-1)]×(-)÷(-3)-0.25÷

246644(1)-20÷5×

11.(1)-2 (2)-1

1 114

(3)16

三、计算(每小题5分,共35分) 26.(?35717211??)÷; 27.|?|÷(?)??(?4)2 4912353369223?3?28.?1?1?(?12)?6?(?)3

?7?4??26.?26 27.?11/3 28.?169/196

三、计算下列各题:(每小题4分,共16)

1.?27???32????8??72 2.??4.3????4????2.3????4? 3.?4?2?32???2?32? 4.??48????2????25????4????2?

32三. 1. 5 2. 2 3. -68 4.-90

三、解答题 20、计算:(本题共有8个小题,每小题4分,共32分)

(1)8+(―1)―5―(―0.25) (2)―82+72÷36

4(3)71×13÷(-9+19) (4)25×32444(5)(-79)÷21+×(-29)

4932

(6)(-1)-(1-1)÷3×[3―(―3)]

2+(―25)×1+25×(-1)

24① 3 ②-80 ③21/16 ④ 0 ⑤ -48 ⑥ 0

17、计算:(?1)?(?1)?(?2)?(?3)?(?1) 18、计算:

1214121414151015?(?10)?(?)?(?) 83419、?22?(?22)?(?2)2?(?2)3?32 17、?

31 18、? 19、—13 465-(-5)×0.25×(-4)3 81121(2)(4-3)×(-2)-2÷(-)

323211313(3)(-)2÷(-)4×(-1)4 -(1+1-2)×24

42834111.(1)-90 (2) (3)2

3(1)-42×

三、解答题(共50分) 21.(24分)计算下列各题:

(1)(?5)?(?2)?(?9)?(?8) (2) ?15?(?3)?(?15)?(?7)?(?2)?(?8) (3)0.85?(?0.75)?(?23)?(?1.85)?(?3)

421?(4) 2??(?5)?(?) ?33??? (5) 1?(?1)?(?1)?3 (6) 51?34?44?1

23411171711(1)10 (2)0 (3)0 (4)?315 (5) (6)6 312

1 (1) . (-3) × (-4) ÷(-6) (2). ??(?3)2

3

(3). -1.53×0.75-0.53×(? (5).?34―(1―0.5)÷

3111) (4).1÷(?)×

63241×[2+(-4)2] 338(6). (32?23)(12?13)3?2??23?33

(1)-2 (2)-3 (3)?338 (4)-3 (5)?27 (6)?19

4

(1) -5+6-7+8 (3) 10-1÷(116?3)÷112 (5)?1.55?(?0.75)?(?0.55)?34

(1)2(2)1112(3)82 (4)16133(5)4(6)32

419 (2) 14?(?12?13)

4)?12?6?(?13)2?(?5)?(?3)

(6) 32?(?22)?(?11)?(?5)6?(?1425)3