有理数混合运算题有答案ok

有理数混合运算题有答案ok
有理数混合运算题有答案ok

运算100题(有答案)

2.12411()()()2

3

5

2

3

+-++-+- 4.8(5)63-?-- 6.2

5()()( 4.9)0.656

-+---- 8.323(5)()5

-?- 9、25(6)(4)(8)?---÷- 10.1612()(2)4

7

2?-÷- 12.32(6)8(2)(4)5-?----? 16.232()(1)04

3

-+-+?

18.4

(81)( 2.25)()169

-÷+?-÷

22.231

22(3)(1)6293

--?-÷-

23.(-12754

20361-+-)×(-15×4) 24.()??-73

18

7(-2.4) 25.2÷(-73)×74

÷(-571)

26.[1521-(141÷152+321)]÷(-181) 27.51×(-5)÷(-51)×5 28.-(31-211+143-72)÷(-421)

29.-13×3

2

-0.34×7

2+3

1×(-13)-7

5×0.34

30.(-13)×(-134)×131×(-671

) 31.(-487)-(-521)+(-441)-381 32.(-16-50+352)÷(-2)

33.(-0.5)-(-341)+6.75-521

34.178-87.21+43212+532119-12.79

35.(-6)×(-4)+(-32)÷(-8)-3

36.-72-(-21)+|-121

|

37.(-9)×(-4)+(-60)÷12

38.[(-149)-175+218]÷(-421)

39.-|-3|÷10-(-15)×31

40.-153×(327-165)÷221

41.(231-321+11817)÷(-161)×(-7)

42. 232

-+()3

4-

43. ()3

2-×()4

2-×()5

2-

44.2-×23-()2

32?-

45、()2

2-2-+()3

2-+32

46.22--3)3(-×()3

1--()3

1-

47.0-()2

3-÷3×()3

2-

48.2

2-×()2

21-÷()3

8.0-

49.-23×()2

31--()3

2-÷()2

21

-

50.()2

43-×(-32+1)×0

54.232(1)---= 56.211()1722

---+-= 58.21

(50)()510

-?+

= 62、])3(2[)]2

1

5.01(1[2--??--

63、)14

5()2(52825-?-÷+-

64、)25.0(5)4

1

(8----+

65、)48()12

1

4361(-?-+-

72、

32

(6)8(2)(4)5-?----? 74、72

1×14

3÷(-9+19)

75、25×43―(―25)×21+25×(-4

1

) 76、

32

3

(5)()5-?- 76、|97|-÷2)4(3

1

)5132(-?--

77、-22-〔-32+(-2)4÷23

80、200423)1()2(161)1()21

()21(-÷-???????--÷--

81.()?

?? ??++??? ??

-+-+??

? ??-21374215.7738 82.

?

?? ??-+??? ??----++--??

?

??-7147153131125.032813

84.??? ??+-??? ??--??? ??--??? ??--614131210

85.()5.475.325.0433411211--+-??

?

??--??? ??+-

86. (–1.76)+(–19.15)+(–8.24) 87.23+(–17)+(+7)+(–13)

88.(+3

41)+(–253)+543+(–85

2

89.52+112+(–52) 90.341–(+5)–(–143

)+(–5)

91. –99+100–97+98–95+96–……+2 92.–1–2–3–4–……–100

93. (–4)×(–9)+(–

5

2

)×81

94.(–6)×0-(–253)×135

95、100×(0.7–103–25

4

+0.03)

96.(–11)×52

+(–11)×9

5397. [

65÷(–21–3

1

)+281]÷(–181)

98.(–18)÷(–9)+(–63)÷(-7) 99.0÷(–105)+1÷(–9)

100.(–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100

有理数混合运算100题参考答案

1.2(3)2--?=-18

2.1

2411()()()2

3

5

2

3

+-++-+-=-5

1

3.11

( 1.5)4 2.75(5)42-+++-=04.8(5)63-?--=-23

5.3145()2-?-=485

6.25()()( 4.9)0.656-+----=315

1

7.22(10)5()5

-÷?-=-88.323

(5)()5-?-=-45

9.25(6)(4)(8)?---÷-=-2810.1612()(2)472

?-÷-=172

11.2

(16503)(2)5--+÷-12.32(6)8(2)(4)5-?----?

=8+25-1107

=-48+8-80

=31103=-120

13.21122()(2)2233-+?--=-

12114.199711(10.5)3---?=-161

15.2232[3()2]23-?-?--=916.232()(1)043-+-+?=16

9

17.4211(10.5)[2(3)]3---??--18.4

(81)( 2.25)()169

-÷+?-÷

=-1+67=81×94×94×161

=6

1=1 19.215[4(10.2)(2)]5---+-?÷-=-25-[-4-2512]=-2025

13

20.666(5)(3)(7)(3)12(3)777

-?-+-?-+?-=(-5-7+12)×(-376

)=0

21.235

()(4)0.25(5)(4)8

-?--?-?-22.23122(3)(1)6293--?-÷-

=-10-80=9-43

-9

=-90=-4

3

23.(-1275420361-+-)×(-15×4)24.()??-73187(-2.4)=52

=10+9-48+35=6

25.2÷(-73)×74

÷(-571)=2714 26.[1521-(141÷152+321)]÷(-181) =[1521-45×75-321]×(-98) =[12-4

5×75]×(-98) =-28311×98=-63622 =-963

55 27.51×(-5)÷(-51)×528.-(31-211+143-72)÷(-421)

=25=(31-211+143-72

)×42

=14-2+9-12=9

29.-13×32-0.34×72+31

×(-13)-75×0.34 =[-13×32+31×(-13)]-0.34×72-75×0.34

=-13-0.34=-13.34

30.(-13)×(-134)×131×(-671)=-2

31.(-487)-(-521)+(-441)-381=-8+141=-643

32.(-16-50+352)÷(-2)33.(-0.5)-(-341)+6.75-521 =8+25-1107=(-0.5)-521+6.75-(-3.25) =31103=4

34.178-87.21+43212+532119-12.7935.(-6)×(-4)+(-32)÷(-8)-3 =178-87.21-12.79+43212+532119=24+4-3

=178-100+97=25 =175

36.-72-(-21)+|-121

|37.(-9)×(-4)+(-60)÷12 =175=36-6=31

38.[(-149)-175+218]÷(-421)39.-|-3|÷10-(-15)×31 =[-149-712+218]×(-42)=-103+5 =27+72-16=83=4107

40.-153×(327-165)÷221

41.(231-321+11817)÷(-161)×(-7)

=-5

8×(-323)×52=(37-27+1835)×(-76

)×(-7) =503=(37-27+1835

)×6

=14-21+

3

35

=432

42.232

-+()3

4-43.()3

2-×()4

2-×()5

2-44.2-×23-()2

32?-

=-6821

=()

5

432++-=122=4096=2-×234-×23

=-6×9=-54

45.()2

2-2-+()3

2-+3246.22--3)3(-×()3

1--()3

1-

=2=-4-27+1

=-30

47.0-()2

3-÷3×()3

2-48.22-×()221-÷()3

8.0-

=24=4×41

×()3

45=16461

49.-23×()2

31--()3

2-÷()221-50.()2

43-×(-32+1)×0=0

=-1+32=31

51.2223(23)-?--?=052.11

(5)()55

5

?-÷-?=25

53.7.20.9 5.6 1.7---+=-1254.232(1)---=-3

55.67()()51313-+--=-656.211

()1722

---+-=712

57.737()()848-÷-=-71

58.21

(50)()510

-?+=-25

59.2(3)2--?=-1860.12411

()()()23523

+-++-+-=-0.2

61.11

( 1.5)4 2.75(5)42

-+++-=0

62、])3(2[)]2

15.01(1[2

--??--=-47

63、)14

5

()2(52825-?-÷+-

=-23 64、)25.0(5)4

1

(8----+=3

65、)48()12

1

4361(-?-+-=-24

66、31)321()1(?-÷-=5

1 67、)199(41

212+-÷?=161

68、)16(9

4

412)81(-÷+÷-=-36361

69、)]21541(43[21----=-521

70、)2(9

44934

4

-÷+÷-=-36361

71、22)36()33(24)12

5

81(÷-÷---?-=-16

72、

32

(6)8(2)(4)5-?----?=-120 73、32

2

)43(6)12(7311-???

?

???÷-+--=--196171

74、721×14

3

÷(-9+19)=16

21

75、25×43―(―25)×21+25×(-4

1

)=25 76、

32

3

(5)()5-?-=-45 77、|97|-÷2)4(31)5132(-?--=-3

11

78、-22-〔-32+(-2)4÷23〕=3 79、235(4)0.25(5)(4)8

??

-?--?-?- ???

=-90 80、200423)1()2(161)1()2

1

()21(-÷-???????--÷-- =-43

81.()?

?? ??++??? ??

-+-+??

? ??-21374215.7738=-34 82.?

?? ??-+??? ??----++--??

? ??-7147153131125.032813=-5127 83. ()()()()959149-+--+--=-144

84.??? ??+-??? ??--??? ??--??? ??--614131210=1211

85.()5.475.325.0433411211--+-??

?

??--??? ??+-=-3.5

86.(–1.76)+(–19.15)+(–8.24)=-29.15 87.23+(–17)+(+7)+(–13)=0

88. (+341)+(–253)+543+(–852

)=—2

89. 52+112+(–5

2

)=112

90.341–(+5)–(–143

)+(–5)=-5

91. –99+100–97+98–95+96–……+2=50

92. –1–2–3–4–……–100=—5050

93. (–4)×(–9)+(–

5

2

)×81=35.95

94. (–6)×0-(–253)×135

=1

95. 100×(0.7–103–25

4

+0.03)=27

96. (–11)×5

2

+(–11)×953=—110

97. [65÷(–21–3

1

)+281]÷(–181)=—1

98.(–18)÷(–9)+(–63)÷(-7)=11

99.0÷(–105)+1÷(–9)=—9

1

100.(–5)×8×(–7)+(–6)×(–5)×(–7)-(–12)×2.45×0×9×100=70

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