混合运算五年级

混合运算五年级... 混合运算五年级 展开
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混合运算分为以下几种情况 : 一、不带括号的连加、连减、加减混合运算,按从左到右(从前往后)的顺序。 如:计算534+102+309 应先算534+102=636,再算636+309=945 脱式为:534+102+309 =636+309 =945 [练习]脱式运算下列各题 232+580+326 800-528-102 178+380-268 365-52+384 二、不带括号的连乘、连除、乘除混合运算,按从左到右(从前往后)的顺序。 如:计算2×4×8 =8×8 =64 [练习]脱式运算下列各题 64÷8÷2 6×6÷9 9×1÷3 0×8÷6 三、加减乘除混合运算,先乘除、后加减。 如:计算 42-30÷6 =42-5 =38 [练习]脱式运算下列各题 8×6+30 19+6×5 48-24÷6 55-7×5 64÷8+4 4+25÷5 四、带括号的混合运算(加减乘除),先算括号里面的。 如:计算520-(200+320) =520-520 =0 [练习]脱式运算下列各题 700-(536-236) 439-(239+161) 379+(120+80) 35+(521-354) (37-28)×4 35÷(28-21) 5×(28÷4) 48÷(8-2) (40+16)÷8 42÷(6+1) 附加题:脱式运算(试一试) 1、178-64÷8-70 2、398-(8×9+20) 3、39+4×6÷8 4、(129-9×9)÷8 1.120-36×4÷18+35 2.(58+37)÷(64-9×5) 3.(6.8-6.8×0.55)÷8.5 4.0.12× 4.8÷0.12×4.8 5.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 6.6-1.6÷4= 5.38+7.85-5.37= 7.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 8.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 9.10.15-10.75×0.4-5.7 10.5.8×(3.87-0.13)+4.2×3.74 11.32.52-(6+9.728÷3.2)×2.5 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.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 32.5+21*8/2-6-59 33.68/21-8-11*8+61 34.-2/9-7/9-56 35.4.6-(-3/4+1.6-4-3/4) 36.1/2+3+5/6-7/12 37.[2/3-4-1/4*(-0.4)]/1/3+2 38.22+(-4)+(-2)+4*3 39.-2*8-8*1/2+8/1/8 40.(2/3+1/2)/(-1/12)*(-12) 41.(-28)/(-6+4)+(-1) 42.2/(-2)+0/7-(-8)*(-2) 43.(1/4-5/6+1/3+2/3)/1/2 44.18-6/(-3)*(-2) 45.(5+3/8*8/30/(-2)-3 46.(-84)/2*(-3)/(-6) 47.1/2*(-4/15)/2/3 48.-3x+2y-5x-7y 49.2/3÷1/2-1/4×2/5 50. 2-6/13÷9/26-2/3 51.2/9+1/2÷4/5+3/8 52.10÷5/9+1/6×4 53.1/2×2/5+9/10÷9/20 54.5/9×3/10+2/7÷2/5 55.1/2+1/4×4/5-1/8 56.3/4×5/7×4/3-1/2 57.23-8/9×1/27÷1/27 58.8×5/6+2/5÷4 59.1/2+3/4×5/12×4/5 60.8/9×3/4-3/8÷3/4 61.5/8÷5/4+3/23÷9/11 62.3/7 × 49/9 - 4/3 63.8/9 × 15/36 + 1/27 64.12× 5/6 – 2/9 ×3 65.8× 5/4 + 1/4 66.6÷ 3/8 – 3/8 ÷6 67.4/7 × 5/9 + 3/7 × 5/9 68.5/2 -( 3/2 + 4/5 ) 69.7/8 + ( 1/8 + 1/9 ) 70.9 × 5/6 + 5/6 74.8 × 4/5 + 8 × 11/5 76.9/7 - ( 2/7 – 10/21 ) 77.5/9 × 18 – 14 × 2/7 78.4/5 × 25/16 + 2/3 × 3/4 79.14 × 8/7 – 5/6 × 12/15 80.17/32 – 3/4 × 9/24 81.3 × 2/9 + 1/3 82.5/7 × 3/25 + 3/7 83.3/14 ×× 2/3 + 1/6 84.1/5 × 2/3 + 5/6 85.9/22 + 1/11 ÷ 1/2 86.5/3 × 11/5 + 4/3 87.45 × 2/3 + 1/3 × 15 88.7/19 + 12/19 × 5/6 89.1/4 + 3/4 ÷ 2/3 90.8/7 × 21/16 + 1/2 91.101 × 1/5 – 1/5 × 21 92.4.38 ÷ (36.94 + 34.3×0.2) 93.[(5.84 - 3.9 ) ÷0.4 + 0.15] ×0.92 94.[7.6 - 5 ×(0.3 + 0.9)]÷10 95.1.8×(1.4 - 0.26 ÷2) 96.0.27 ×99 + 0.27 97. 8 -0.8 ÷5 + 0.24 ×9 98. 0.25×1.25×40×8 99.(0.25 + 2.5 + 25)×0.4 100.8.4 + 7.66 + 2.34 +1.6 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.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 32.5+21*8/2-6-59 33.68/21-8-11*8+61 34.-2/9-7/9-56 35.4.6-(-3/4+1.6-4-3/4) 36.1/2+3+5/6-7/12 37.[2/3-4-1/4*(-0.4)]/1/3+2 38.22+(-4)+(-2)+4*3 39.-2*8-8*1/2+8/1/8 40.(2/3+1/2)/(-1/12)*(-12) 41.(-28)/(-6+4)+(-1) 42.2/(-2)+0/7-(-8)*(-2) 43.(1/4-5/6+1/3+2/3)/1/2 44.18-6/(-3)*(-2) 45.(5+3/8*8/30/(-2)-3 46.(-84)/2*(-3)/(-6) 47.1/2*(-4/15)/2/3 48.-3x+2y-5x-7y 49.2/3÷1/2-1/4×2/5 50. 2-6/13÷9/26-2/3 51.2/9+1/2÷4/5+3/8 52.10÷5/9+1/6×4 53.1/2×2/5+9/10÷9/20 54.5/9×3/10+2/7÷2/5 55.1/2+1/4×4/5-1/8 56.3/4×5/7×4/3-1/2 57.23-8/9×1/27÷1/27 58.8×5/6+2/5÷4 59.1/2+3/4×5/12×4/5 60.8/9×3/4-3/8÷3/4 61.5/8÷5/4+3/23÷9/11 62.3/7 × 49/9 - 4/3 63.8/9 × 15/36 + 1/27 64.12× 5/6 – 2/9 ×3 65.8× 5/4 + 1/4 66.6÷ 3/8 – 3/8 ÷6 67.4/7 × 5/9 + 3/7 × 5/9 68.5/2 -( 3/2 + 4/5 ) 69.7/8 + ( 1/8 + 1/9 ) 70.9 × 5/6 + 5/6 74.8 × 4/5 + 8 × 11/5 76.9/7 - ( 2/7 – 10/21 ) 77.5/9 × 18 – 14 × 2/7 78.4/5 × 25/16 + 2/3 × 3/4 79.14 × 8/7 – 5/6 × 12/15 80.17/32 – 3/4 × 9/24 81.3 × 2/9 + 1/3 82.5/7 × 3/25 + 3/7 83.3/14 ×× 2/3 + 1/6 84.1/5 × 2/3 + 5/6 85.9/22 + 1/11 ÷ 1/2 86.5/3 × 11/5 + 4/3 87.45 × 2/3 + 1/3 × 15 88.7/19 + 12/19 × 5/6 89.1/4 + 3/4 ÷ 2/3 90.8/7 × 21/16 + 1/2 91.101 × 1/5 – 1/5 × 21 92.4.38 ÷ (36.94 + 34.3×0.2) 93.[(5.84 - 3.9 ) ÷0.4 + 0.15] ×0.92 94.[7.6 - 5 ×(0.3 + 0.9)]÷10 95.1.8×(1.4 - 0.26 ÷2) 96.0.27 ×99 + 0.27 97. 8 -0.8 ÷5 + 0.24 ×9 98. 0.25×1.25×40×8 99.(0.25 + 2.5 + 25)×0.4 100.8.4 + 7.66 + 2.34 +1.6 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.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 32.5+21*8/2-6-59 33.68/21-8-11*8+61 34.-2/9-7/9-56 35.4.6-(-3/4+1.6-4-3/4) 36.1/2+3+5/6-7/12 37.[2/3-4-1/4*(-0.4)]/1/3+2 38.22+(-4)+(-2)+4*3 39.-2*8-8*1/2+8/1/8 40.(2/3+1/2)/(-1/12)*(-12) 41.(-28)/(-6+4)+(-1) 42.2/(-2)+0/7-(-8)*(-2) 43.(1/4-5/6+1/3+2/3)/1/2 44.18-6/(-3)*(-2) 45.(5+3/8*8/30/(-2)-3 46.(-84)/2*(-3)/(-6) 47.1/2*(-4/15)/2/3 48.-3x+2y-5x-7y 49.2/3÷1/2-1/4×2/5 50. 2-6/13÷9/26-2/3 51.2/9+1/2÷4/5+3/8 52.10÷5/9+1/6×4 53.1/2×2/5+9/10÷9/20 54.5/9×3/10+2/7÷2/5 55.1/2+1/4×4/5-1/8 56.3/4×5/7×4/3-1/2 57.23-8/9×1/27÷1/27 58.8×5/6+2/5÷4 59.1/2+3/4×5/12×4/5 60.8/9×3/4-3/8÷3/4 61.5/8÷5/4+3/23÷9/11 62.3/7 × 49/9 - 4/3 63.8/9 × 15/36 + 1/27 64.12× 5/6 – 2/9 ×3 65.8× 5/4 + 1/4 66.6÷ 3/8 – 3/8 ÷6 67.4/7 × 5/9 + 3/7 × 5/9 68.5/2 -( 3/2 + 4/5 ) 69.7/8 + ( 1/8 + 1/9 ) 70.9 × 5/6 + 5/6 74.8 × 4/5 + 8 × 11/5 76.9/7 - ( 2/7 – 10/21 ) 77.5/9 × 18 – 14 × 2/7 78.4/5 × 25/16 + 2/3 × 3/4 79.14 × 8/7 – 5/6 × 12/15 80.17/32 – 3/4 × 9/24 81.3 × 2/9 + 1/3 82.5/7 × 3/25 + 3/7 83.3/14 ×× 2/3 + 1/6 84.1/5 × 2/3 + 5/6 85.9/22 + 1/11 ÷ 1/2 86.5/3 × 11/5 + 4/3 87.45 × 2/3 + 1/3 × 15 88.7/19 + 12/19 × 5/6 89.1/4 + 3/4 ÷ 2/3 90.8/7 × 21/16 + 1/2 91.101 × 1/5 – 1/5 × 21 92.4.38 ÷ (36.94 + 34.3×0.2) 93.[(5.84 - 3.9 ) ÷0.4 + 0.15] ×0.92 94.[7.6 - 5 ×(0.3 + 0.9)]÷10 95.1.8×(1.4 - 0.26 ÷2)
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