2024年3月3日发(作者:90后创意数学试卷)

小学数学四则运算——简便运算大汇总

简便运算

4

(12441+3.2+5+6.8 25×(8×0.4)×1.25 7-(2-)

332++)×72 93.5÷3÷

12182427

1125-997 998+1246+9989

125×8.8 1.3+4.25+3.7+3.75 17.15

3.4×99+3.4 4.8×1.01 0.4

(1.6+1.6+1.6+1.6)×25 (45719+6-18)÷36

12.3-2.45-5.7-4.55

79÷215+511×29 0.125

64.2×87+0.642×1300 78×36+7.8×741-745

8700+870+87)÷87

-(3.5-2.85)

×(2.5÷73)

72510017

×0.25×64

1321×17+1712×8

7113251×+0.125×+0.5 2.42÷+4.58×1-4÷3 25÷100

3822426

4.25-3

51311-(2-1) 3.8÷3.9+3.9÷0.1+0.1÷3.9 12.1-(+)×105

66415214.759.63(8.251.37)

7.483.17(2.486.38)

551117(3.81)1

3333877979066661

99524

0.99990.70.11112.7

361.091.267.3

322481.081.256.8

32537.96

555

6.816.819.33.2

81.515.881.551.867.618.5

23512.123542.213554.3

1234234134124123

1246824681468126812481246

3119231 -( + )× × - ÷4

4538542

5311517 ×[1÷( + )] [ -( - )]×

843

57 +

98 ×

539 +

8 1 -

14 ×

347 +

7 ÷4 5 -

223554

91481517141715

425 -(2.5+1.9)×(0.5-0.5)

425 -2.5+1.9×0.5-0.5

6143958 ÷

2528 -

310

67 ÷3614 +

13 )

11124612

12117351310 425 -2.5+1.9×(0.5-0.5)

[425 -(2.5+1.9×0.5)]-0.5

22[45 -(2.5+1.9) ×((0.5-0.5) [45 -(2.5+1.9) ×0.5]-0.5

111131123 -42 -24 -58 -12.5% 0.125×8.25+12.5%

4 +8 ×

(713138 +16 )÷16

153 -2.25-73144

10×[(4 -0.5) ÷357 ]

1.25+11 ×7.4+125%÷

548

157 ×(5÷56 -56 ÷5)

0.84÷0.3÷(1.96×18.9)

2.5×37 ×0.4×213

8157119 ×[16 +(16 -4 )÷2 ]

(2.7-4.25×25 )÷2.8×47

10-4.68÷7.2+0.05

18.09×[(1.5+223 )÷3.75-23 ]

5-(0.15+96

20 ) ÷1.8 1325+540÷18×15

1122.5÷8+9.5× +4×0.125 [2.1+7÷(3 -1.625)] ×18123

21111322.5× -2.1÷ +9.63 (7 +7 ×2+7 )÷4 3.8+1 +6.2+353333147

2153251 ×[(4 -3.5) ÷ ] (2 + -1 )×12 2.5÷8+3.5×7384368 +0.125

11115132(9.5+92 +92 +9.5) ×122 33 -(17 +8 ÷14 )×15

12382+498 3811[(0.05+4 )÷0.25-5 ]×125%

382 498-116 5.35×0.25+2.65×4

135115(33 +4 -28 )÷(15 ÷80%) (4.2÷0.7+6× )×2526

0.8×32.5×12.5 7.6×9.9×0.01 8.32×0.58-0.32×0.58

1.25÷5+0.25×20 10.69-2.5×2.4 0.3×2.5×0.04

8.4×57+8.4×42+8.4 13÷0.65÷2 7.2×10.1-7.2

1.2×2.5+2.8×2.5 32×0.65+3.2×3.5

25×(4+

0.25×37.5%+× 25%×

154222115×0.35+0.65÷ ÷4÷ +÷

5564153385×÷15

9164541154) 60×(+-) ×0.35+0.65÷

2541714212119+×25% ÷÷

117231319

5÷-÷5 2-

558869288÷- ×1000-

26312512513

(+)×15

151331245×+÷9 32÷÷

595585521111158+++ +(+) ÷(3--)

7676

56×29×340

3-815÷45

716×11 +

56÷11

9263 13

93488359

4+57)×28

33315×4+5×4

78×415÷2130

(34-158)÷12

5114361233

(51168)÷712

46

26235511321(23)()(12)77

6833

44571151

5.165.16

584

88668

15294(15294)

(0.74734)(14747)

90(7956815)9733

4.351258354.35

(1314)-(1415)-(11467556) (39413)-(11369)

12.06+5.07+2.94 30.34+9.76-10.34

38×3÷38×3

34÷4÷1.7 1.25÷23×0.8 173437+17-77

,

41.06-19.72-20.28 725-338+38 84557+29-9

25×7×4

159-713-59

112233+75+35

700÷14÷5 18.6÷2.5÷0.4 13×

17171313÷ 29÷×

272719195.68+(5.39+4.32) 19.68-(2.97+9.68) 7

252631+(-) 5-(-)

7871718171.25×(8÷0.5) 0.25×(4×1.2) 1.25×(213×0.8) 0.74÷(71×

24×(

0.92×1.41+0.92×8.59

74)

1100---) (12+) ×7 (7-)× 9.3÷(4÷)

12863752×-× 1.3×11.6-1.6×1.3 ×11.6+18.4×

5+999+99+9 4821-998 3.2×12.5×25 1.25×88

7.6÷0.25 3.5÷0.125 3.8×9.9+0.38

777×103-×2-

252525(13×8)×125 3700-2185-815 20×(17×5) 4×7×25×3

14×20×5 25×(40×32) (5×7)×80 4×9×25

8×14×125×6 16×25×5×4 259+468+741+532 23×4×5

40×7×3×5 25

102×7.3÷5.1

556+3×45

1326÷【917×(4+3)】

25+4215-5

×6×4×5

3.6×0.25

58-14×(829÷3)

1112-14+310÷35

65377×8+8÷6

25×(6×4) (8×6)×125

2.6×9.9 1.06×2.5×4

(12-16)×315÷5

2313÷【(4-2)×45】

(7311-8)×88

13—48×(

1199743+) 99× 5--0.125 45×

12÷3+× +×+ ×+×+

5355

(7558-16)×(9+23)

71129÷5+9×511

12÷5138+4×5

(3138-4)÷8

251081613÷7+7×13

16+34-23)×12 2324×5+14÷52

3318÷(8-4)

13771313【1-(14+38)】÷14

-69213÷26-3

107521×20÷6-14

56×4-(728+3)

5-7-0.125

8

3-755355855104- ×+× ×+÷ 18×(+5)

627996

71132722114χ= χ×(+)= ×7+×5 (-)×(24-)

85

5444121136111(×+)÷ ÷[(+)×] χ-χ= 6×-χ=

777753513551222

8x-

145×3=

44(x-6)×5=25

6x:7515= (32×+17)÷

1028412(25+3151035151)÷+

x

1x2 ()

4449114

5971251295

23542556

63(5439217)

(21×37+47×21)×14 (99+945510)÷9

5×6÷8

(5416+5)×30

3+3÷12

3114χ+4=2

124658(1213163)4]23

1415÷[(45+23)×1011]

χ-45χ=12

[

χ+10%χ=110

569957111×-÷ 4-- ×58+×41+

865××- ×+÷ ÷[(-)÷] 5X-3×=

5742

45+12X=910

10 -

712119 -

19 +

19

13.09-8.12-4.88 12

37.5+19.5÷2.5×4 1.75x

56555828105135÷18

35 ×153 – 0.6×53 (45 +14 )÷73 +710

13χ+60%χ=28 1.6∶χ=0.125∶0.5 25×1533 ÷2 ×10

×103-4500÷75

18 ×[1310232 ÷(5 ×9 )] (15 +11 )×15×11

-0.5x=6.25

34 x-55318 =6 ×30% 6:x=7 :3

235 -

1791773110.8×33×1.25 × + ÷10 9.56+4.875- +1.44 ÷6- ×

1810188464

38323319219194.6×1 +8.4÷ -1 ×5 99.9×999+99.9 4÷1 +6× 18 × +2 × -

811

2225 ×80×813 ×1.25 25

47-8÷17-917 46

36354 ÷11 +17 +8

8355×1.25×4×8 0.7+3.9+4.3+6.1 7.35×101 15.6-227 -457 1489 ×715 +815 ÷98 +857119 3-9 ×20 -36

2052020×99+7.35

×2134 +14×34

7786 -15 -15

53574 -3 +1 -2 × + × ÷75﹪- ÷ ( + - )×24

737373739948612

1511310.4÷2.5+0.07×50 ÷ ×( + ) 4 -1 -1.75+0.4 496+250×16

4246

10.2-(1.25+2.5)÷1.5 (13 -15 )×45 2

4949×85÷49-85 (56 -1513 )×(8 ÷4 ) [

24×(1114 +6 -3 ) 3.74×4.8+6.2×3.74

54-[16 +(34 -712 )] 0.3÷[1÷(3.3-2.95)]

(23 -14 )÷56 +45 ]×521111 (5 -7 )×35×9

8779 ×[8 -(16 -18 )] 8.6÷4.3×25

6553 ×( -0.25)÷ [3.6-(4.7+2.3)× ]÷1.2 17.1-8.8-1.2 3.6×25

71287

5124541 ÷ + × + ÷ ÷[ ×( + )] 60×( + - )

8498152

1750+450÷18×32 0.8×[1÷(3.2-2.95)] (

8921 + × )÷ 2.5×3.7×0.4

15212×( - ) (9-10× )÷ 101.1-25.93+5.1÷0.85 ( - )×( ÷1 )

34548493

1321623452.6× +2 × 3-1 - 1.9+19.9+199.9+1999.9+0.4 × + ÷

353775772

11 ×( + )+ × ÷( - ) 1 ×1.25+1 ×2.2-1

5641343515544

4451134- ÷4- ÷[( + )× ] 4.8+1.2×3.5÷1.4 1.8÷0.25+8.2×4

558548

57 ×23 +1415 ÷19 (10-512 ÷16 )×13 168.1

25.125―1319195 ―17.4 0.38×7-50 +4×50 7.83

18 ×[12 ÷(35 ×105319 )] (7 -8 )÷56

24×23 ×(5×115128 )

5 ×8 ÷4 +3 40

÷(4.3×2-0.4)

43719 ×[4 -(16 -4 )]

-(1.26+2.17)-0.24

(20.1-21×67 )÷5.1

57 -35.75-4.25

482111415× + ÷16 3.64×[1÷( -2.09)] ( - + )×45

217103515

25422220÷37-23 6.2×4.5+3.8 ÷[ ×( - )]

9653

36931131891 × ÷ ÷ 7 -(0.35+2 ) ( - )÷ × 4-1÷4- ×3

454566439104

[

524÷[( - )×3] ×( ÷ ) ( - )× ×[( + )÷ ]

6342896411536

474 × ÷ ( - )÷ ×(1- × ) (5÷ - )×

65555

8721531 -( - )]× 8.5× +0.75×5+6.5÷1 1+0.54÷0.9-0.75

151251443

45(1- ÷ )× × + ÷ (3 +2 +1 -1 )÷

5312712

43311111117 +3.25+2 +5.48 64 × + ×34 ( - ÷4× )÷

774111148442

15-(

÷2+5) 6.4÷

+1.25×3

[0.25×4-( +

)]×

212231115 +( + )× ×( + )÷ 15.6÷[32×(1- )÷3.6]

3237102388

756 × [ (1 + ) × ] [ - 0 ÷ ( + )] × 3.68 ×[1 ÷(2 – 2.09 )]

53574713310

46355[2 – (11.9- 8.4× ) ] ÷1.3 × + ÷ 20 .01×83+ 1.7×200.1

35886

1240.251.25(0.4×0.8)×(2.5×12.5) 1

x+

x= = 2.1x+7.9x=0.29

5515 x3

53134424312∶7=x∶0.3 [3.2×(1- )+3 ]×2 1 +2 +4 +3 ×99

851271571597

232313.75×4 +1.6×3 1÷2.5+2.5×0.4 3 -1 - 13.92-(1.19+9.92)-2.81

54544

55×66÷(11×11)

.2-4÷80×2.4 ×[÷(×)] (+)÷(÷4-)

825924510

102.5x121=:30% x-x-=1 = 6×3-1.8x=7.2

43

807×99+807 25

(47-314)÷128 0.5

2:(1-X)=

45 0.36:X=

(6132-238)÷24

33x0.8×13 ×25 ×310 0.6+3.1+5.4+6.9 [1-(12 -14 )]×25

×2.5×12.5×64 2X-15272=0.5 X+4X=16

14110:9

13x-8×0.5=16 75×60%+24×35+0.6

(3-112.5%+11817)×113×31256 75÷0.24-27×0.875

111111:=:x

x

-x

=9.45 3.7×5-2x=1 3x+4=4.7

2104

15.8-718+14.2-1118

12

x+13

x=30 1

1.250.25 =X1.6 5 X

4.67-(2.98+0.67)

30÷(334—8)

8-0.8×4÷0.8×4 3+30%x=52

+3.25×4=17

×4445 2067×193÷14 1.25235×3.7+3.6+5.3×335

38 -37.5%x=0.125

14÷[7410 ×(1-

7 )]

×(4735+10-4)

∶0.25= X ∶1.6

212=X∶25

124 +37.5%)×48613+713×13

x4=30%

∶ 1 (

46 21.6

31213111X +X=42 ÷(+) 375+450÷18×25 1-[-(-)]

32832343

1—

753335111 ×( - ÷ ) 2.375++5.625+ ×(+)

2477158123121÷ ÷(3——) (+)÷ ×+÷9

9843.6÷[ (1.2+0.6)×5]

1x62211421×+× X ∶= ∶4 = 4X-2.5×4=1.5

3245315531

41271-+ ÷÷9

356129

315×56÷ (2296+7344÷36)×2.4

816

(9+)÷+ +++ 49× ×3.8 - 3.8×

9953104767650

3÷0.8÷1.25 +× (+)× ÷【—(+)】

52586259663

x×=18× x ××=4 4x—3 ×9 = 29

12 ×125× ×8 ( + + )×24 ×( - )÷ 3 ÷ +3 ÷

48787

51 7 +8.9+2 +6.1 0.36×101 17×23-23×7 20-(5.6 + 4.8)÷1.3

66

3.2×(2.15 + 1.95÷6.5) (

45109514722(8+ )× 236×(1- ) + × × ×

58118665937

41791115521 + )÷ + 36×( + -)

+

5431133511x + x = 4

26

1119272756- - - ×8.4 - × ×6 + ×6

2361091691212

3( + )×3.6 × + × ÷ + ÷ 76×

499

X-217 X =

14 X

72 ×58 -32 ÷85 1

(243 +15 ×5206 )÷21

÷18 = 15×23 40%X -

14 =

712

-5258 ÷28 -310

45 ÷[(315 +2 )×2]


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