求这道题的答案:756-36-28-36脱式计算(简便计算) 简便法脱式计算和答案

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求这道题的答案:756-36-28-36脱式计算(简便计算)简便法脱式计算和答案

36道简便运算和脱式计算带答案

1.3/7 × 49/9 - 4/3

2. 8/9 × 15/36 + 1/27

3. 12× 5/6 – 2/9 ×3

4. 8× 5/4 + 1/4

5. 6÷ 3/8 – 3/8 ÷6

6. 4/7 × 5/9 + 3/7 × 5/9

7. 5/2 -( 3/2 + 4/5 )

8. 7/8 + ( 1/8 + 1/9 )

9. 9 × 5/6 + 5/6

10. 3/4 × 8/9 - 1/3

11. 7 × 5/49 + 3/14

12. 6 ×( 1/2 + 2/3 )

13. 8 × 4/5 + 8 × 11/5

14. 31 × 5/6 – 5/6

15. 9/7 - ( 2/7 – 10/21 )

16. 5/9 × 18 – 14 × 2/7

17. 4/5 × 25/16 + 2/3 × 3/4

18. 14 × 8/7 – 5/6 × 12/15

19. 17/32 – 3/4 × 9/24

20. 3 × 2/9 + 1/3

21. 5/7 × 3/25 + 3/7

22. 3/14 ×× 2/3 + 1/6

23. 1/5 × 2/3 + 5/6

24. 9/22 + 1/11 ÷ 1/2

25. 5/3 × 11/5 + 4/3

26. 45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/6

28. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/2

30. 101 × 1/5 – 1/5 × 21

31.50+160÷40 (58+370)÷(64-45)

32.120-144÷18+35

33.347+45×2-4160÷52

34(58+37)÷(64-9×5)

35.95÷(64-45)

36.178-145÷5×6+42

37.812-700÷(9+31×11)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)

40.120-36×4÷18+35 41.(58+37)÷(64-9×5)

急需100道脱式简便计算题带答案和过程

1. 0.4×125×25×0.8 =(0.4×25)×(125×0.8)=10×100=1000

2. 1.25×(8+10)=1.25×8+1.25×10 =10+12.5=22.5

3.9123-(123+8.8)=9123-123-8.8=9000-8.8=8991.2

4.1.24×8.3+8.3×1.76 =8.3×(1.24+1.76) =8.3×3=24.9

5.9999×1001

=9999×(1000+1)

=9999×1000+9999×1

=10008999

6. 14.8×6.3-6.3×6.5+8.3×3.7

=(14.8-6.5)×6.3+8.3×3.7

=8.3×6.3+8.3×3.7

=8.3×(6.3+3.7)

=8.3×10

=83

7. 1.24+0.78+8.76

=(1.24+8.76)+0.78

=10+0.78

=10.78

8. 933-157-43 =933-(157+43) =933-200 =733

9. 4821-998

=4821-1000+22=3823

10. 32×125×25

=4×8×125×25

=(4×25)×(8×125)

=100×1000

=100000 9048÷26

=(2600+2600+2600+1248)÷26

=2600÷26+2600÷26+2600÷26+1248÷26

=100+100+100+48

=348

11. 2881÷ 43

=(1290+1591)÷ 43

=1290÷43+1591÷43

=30+37 =67 3.2×42.3×3.75-12.5×0.423×16

=3.2×42.3×3.75-1.25×42.3×1.6

=42.3×(3.2×3.75-1.25×1.6)

=42.3×(4×0.8×3.75-1.25×4×0.4)

=42.3×(4×0.4×2×3.75-1.25×4×0.4)

=42.3×(4x0.4x7.5-1.25x4x0.4)

=42.3×[4×0.4×(7.5-1.25)]

=42.3×[4×0.4×6.25]

=42.3×(4×2.5) =423

12. 1.8+18÷1.5-0.5×0.3 =1.8+12-0.15=13.8-0.15 =13.65

13. 6.5×8+3.5×8-47 =52+28-47 =80-47 =33 (80-9.8)×5分之2-1.32 =70.2X2/5-1.32=28.08-1.32 =26.76

14. 8×7分之4÷[1÷(3.2-2.95)] =8×4/7÷[1÷0.25]=8×4/7÷4  =8/7

15. 2700×(506-499)÷900 =2700×7÷900 =18900÷900 =21

16. 33.02-(148.4-90.85)÷2.5=33.02-57.55÷2.3=33.02-23.02=10

17. (1÷1-1)÷5.1 =(1-1)÷5.1 =0÷5.1 =0

18. 18.1+(3-0.299÷0.23)×1=18.1+1.7×1 =18.1+1.7 =19.8

19.  9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875

20. 61-(1.25+2.5×0.7)=61-3=58

21. [(10-0.8)+9.85]-2÷0.125=19.05-2÷0.125=19.05-16=13.05

22. 5.4÷1.8+240×1.5=3+360=363

23. 9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875

24. 61-(1.25+2.5×0.7)=61-3=58

25. [(10-0.8)+9.85]-2÷0.125=19.05-2÷0.125=19.05-16=3.05

26. 408-12×24= 408 - 288= 120

27. (46+28)×60= 74 x 60= 4440

28. 42×50-17 = 2100- 17 = 2083

29. 32+105÷5 = 32 + 21= 53

30. 420×(327-238) = 420 x 89 = 37380

31. (4121+2389)÷7 = 6510 ÷7 = 930

32. 3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1

33. 0.8×[(10-6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.7 = 2.16

34. 5.67×0.2-0.62 = 1.134-0.62 = 0.514

35.0.4×0.7×0.25 = 0.4 x 0.2 5 x 0.7 = 0.1 x 0.7 = 0.07

36. 0.78+5.436+1 = 6.216 +1 = 7.216

37. 30.8÷[14-(9.85+1.07)] = 30.8 ÷ (14 - 10.92) = 30.8÷3.08 = 10

38. [60-(9.5+28.9)]÷0.18 = (60- 38.4)÷0.18 = 21.6 ÷0.18 = 120

39. 2.881÷0.43-0.24×3.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86

40. 20×[(2.44-1.8)÷0.4+0.15] = 20x (0.64 ÷0.4 +0.15)= 20x(1.6 +0.15) = 20 x1.75 = 35

41. 28-(3.4+1.25×2.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6

42. 2.55×7.1+2.45×7.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5

43. 0.8×〔15.5-(3.21+5.79)〕 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2

44.(31.8+3.2×4)÷5 = (31.8 + 12.8)÷5 = 44.6÷5 = 8.92

45. 31.5×4÷(6+3) = 126 ÷ 9 = 14

46. 2÷2.5+2.5÷2 = 0.8 + 1.25 =2.05

47. 194-64.8÷1.8×0.9 = 194 -36 x0.9 = 194-32.4 = 161.65180-705×6 = 5180 - 4230=950

48. 24÷2.4-2.5×0.8 =10 -2=8

49. 405×(3213-3189) =405x24 = 9720

59. 125×(97-81) =125x16 =2000

60. 6942+480÷3 = 6942 + 160 = 6782

61. 20+80÷4-20 = 20 + 20 -20 = 40 -20 = 20

62. 100÷(32-30)×0 = 100 ÷2 x0= 50 x0 = 0

63. 25×4-12×5 = 100 - 60 = 40

64. 70×〔(42-42)÷18〕=70 x (0÷18) = 70x0 = 0

65. 75×65+75×35 = 75 x (65 +35) = 75x100 = 7500

66. 6-1.6÷4= 6- 0.4 = 5.6

67. 5.38+7.85-5.37= 13.23 - 5.37=7.86

68. 7.2÷0.8-1.2×5=9 - 6 =3

69. 6-1.19×3-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2

70. 6.5×(4.8-1.2×4)= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0

71. 0.68×1.9+0.32×1.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9

72. 10.15-10.75×0.4-5.7 = 10.15 - 4.3 - 5.7 = 10.15 -(4.3 + 5.7)=10.15 - 10 =0.15

73. 5.8×(3.87-0.13)+4.2×3.74 = 5.8 x 3.74 +4.2 x 3.74 = (5.8 +4.2)x3.74 = 10 x 3.74 = 37.4

74. 32.52-(6+9.728÷3.2)×2.5 = 32.52 - (6+3.04)x2.5 = 32.52 - 9.02 x 2.5 = 32.52 -22.55 = 9.97

75.(136+64)×(65-345÷23)= 200x(65-15) = 200x 50=10000

76. 0.4×125×25×0.8 =(0.4×25)×(125×0.8)=10×100=1000

77. 1.25×(8+10) =1.25×8+1.25×10=10+12.5=22.5

78. 9123-(123+8.8) =9123-123-8.8=9000-8.8=8991.2

79. 1.24×8.3+8.3×1.76 =8.3×(1.24+1.76)=8.3×3=24.9

80. 9999×1001 =9999×(1000+1)=9999×1000+9999×1 =10008999

81. 14.8×6.3-6.3×6.5+8.3×3.7 =(14.8-6.5)×6.3+8.3×3.7=8.3×6.3+8.3×3.7

82. 8.3×(6.3+3.7) =8.3×10 =83

83. 1.24+0.78+8.76 =(1.24+8.76)+0.78 =10+0.78 =10.78

84. 933-157-43 =933-(157+43)=933-200=733

85. 4821-998 =4821-1000+2=3823

86. I32×125×25 =4×8×125×25  =(4×25)×(8×125)=100×1000 =100000

87. 9048÷268

=(2600+2600+2600+1248)÷26

=2600÷26+2600÷26+2600÷26+1248÷269

=100+100+100+48

=348

88. 2881÷ 43 =(1290+1591)÷ 434=1290÷43+1591÷43=30+37

89. 1.8+18÷1.5-0.5×0.3 =1.8+12-0.15=13.8-0.15=13.65

90. 6.5×8+3.5×8-47 =52+28-47=80-47

91. (80-9.8)×5分之2-1.32 =70.2X2/5-1.32=28.08-1.32=26.76

92. 8×7分之4÷[1÷(3.2-2.95)]=8×4/7÷[1÷0.25]=8×4/7÷4=8/7

93. 2700×(506-499)÷900 =2700×7÷900 =18900÷900 =21

94. 33.02-(148.4-90.85)÷2.5=33.02-57.55÷2.5=33.02-23.02 =10

95. (1÷1-1)÷5.1 =(1-1)÷5.1 =0÷5.1 =0

96. 18.1+(3-0.299÷0.23)×1=18.1+1.7×1 =18.1+1.7 =19.8

97. 4.1/27+505/2727+131313/272727 =1/27+5*101/(27*101)+13*10101/(27*10101)

=1/27+5/27+13/27=19/27

98. 6.5×8+3.5×8-47 =52+28-47=80-47

99. (80-9.8)×5分之2-1.32 =70.2X2/5-1.32=28.08-1.32=26.76

100. 1.8+18÷1.5-0.5×0.3 =1.8+12-0.15=13.8-0.15=13.65

拓展资料:

脱式计算即递等式计算,把计算过程完整写出来的运算,也就是脱离横式的计算。

在计算混合运算时,通常是一步计算一个算式(逐步计算,等号不能写在原式上),要写出每一步的过程。一般来说,等号要往前,不与第一行对齐。也就是离开原式计算。

 (脱字念tuo)主要掌握的是记住要先算乘、除法,后算加、减法。在乘除法连续计算时中,要按从左往右的顺序依次计算。遇到括号,要首先计算括号内部。 在脱式过程中要按运算顺序划出运算顺序线,还要做到"三核对",一要核对从书上把题抄到作业本上数字、符号是否抄对。二要核对从横式抄到草稿竖式的数字、符号是否抄对。三要核对把草稿竖式上的得数,抄到横式上是否抄对,小数点是否点对地方,有无遗漏。

脱式计算 - 搜狗百科脱式计算是一个数学学科术语,即递等式计算,把计算过程完整写出来的运算,也就是脱离竖式的计算。脱式计算时要先算乘、除法,后算加、减法。在乘除法连继计算时中,要按从左往右的顺序依次计算。遇到括号,要首先计算括号内部。(125+8)x8=133x8=1064(250÷50)+(12×4)=5+48=53如何脱式计算?baike.sogou/v7545159.htm?fromTitle=%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97

28×36 28×64脱式分配律简便计算

28×36 28×64脱式分配律简便计算

28×36 28×64

=28*(36+64)

=28*100

=2800

急求!!!求24道单位换算,26道脱式计算、28道简便运算和60道应用题。四年级水平,要有答案!

0.15千克=( 150)克 3.001吨=(3 )吨( 1)千克

3.7平方分米=(37000 )平方毫米 5.80元=(5 )元( 8)角

( 15)分米=1.5米 ( 4)吨( 80)千克=4.08吨

510米=( 0.51)千米 5米16厘米=(5.16 )米

5千克700克=( 5.7)千克 0.95米=(95 )厘米

4700米=(4.7 )千米 3650克=(3.65 )千克

40.06吨=(40060 )千克 1.4平方米=( 140)平方分米

360平方米=( 0.036)公顷 7.05米=(7 )米(5 )厘米

5.45千克=(5 )千克(450 )克

3千米50米=(3.05 )千米 ( 0.5)时=30分

3千克500克=(3.5 )千克 (2.75 )时=2时45分

2.78吨=(2 )吨(780 )千克

0.25时=(15 )分

504厘米=(5.04 )米

4.2米=(4 )米(20 )厘米

10米7分米=(10.7 )米

0.06平方千米=( 6)公顷

9千克750克=( 9.75)千克

8.04吨=( 8)吨(40 )千克

6.24平方米=(624 )平方分米

0.05千米=(50)米

1250平方厘米=(0.125)平方米

100毫升=(0.1)升

1吨70千克= (1.07)吨

102平方千米=(102000000)平方米

2.68升=(2)升(680)毫升

1200米=( 1.2 )千米

4040千克=( 4.04 )吨

240.3平方厘米=( 2.403 )平方分米

5米8米=( 5.8 )米

4.2平方米=( 4 )平方米( 20 )平方

四年级下册计算能力检测(一)

姓名:

用递等式计算下面各题,能简算的要简算。

45+240÷12 124+78+22 100-35-25

(140-70)×54 63+84×2÷42 490÷7+24×5

26×6-110 345+99 (46-20)×30-90

25×27×4 15×7+85×7 (40-4)×25

125×64 2400÷80-14×2 108-(83+360÷60)

(420+48)÷(375-345) 290-(34×3+99)

142-54÷9+14 240÷16 75×4×25

407-99 16×76-76×6 99×53+53

720÷36÷2 103×35 450-2×(16+9)

245-(45+39) 28×25 473+59+27+1

98×99 125×(8×4)×5 41×25-25

88×125 420÷(205-198)×4 540÷2÷54

460÷(29-18÷3) 720÷36 (960-400)÷70

TAG: 简便 答案