4 5 9 17 25 17 怎麼用脫式方法計算

2021-04-17 20:09:38 字數 3108 閱讀 2420

1樓:妙酒

脫式計算

3/4÷(5–9/17–25/17)

=3/4÷(5-2)

=3/4÷3

=1/4

能簡便要簡便;3/4+0.25+1又9/17=? 4×【(5/6+1/6)÷9】

2樓:匿名使用者

3/4+0.25+1又9/17

=3/4+1/4+1又9/17

=1+1又9/17

=2又9/17

4×【(5/6+1/6)÷9】

=4×(1÷9)

=4×1/9

=4/9

100道加減乘除混合運算數學計算題

3樓:俺是臭小子

20-8×2÷4 420×(13+57)×9066×38-987÷21

196÷4+56×12 16×50-36÷4(73+65)÷(210-164)

(13+47)×(52-18) (1024+4370)÷(24+38)

45 × 2/3 + 1/3 × 15

27. 7/19 + 12/19 × 5/628. 1/4 + 3/4 ÷ 2/3

29. 8/7 × 21/16 + 1/230. 101 × 1/5 – 1/5 × 2131.

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+42 420+580-64×21÷2837.812-700÷(9+31×11) (136+64)×(65-345÷23)

38.85+14×(14+208÷26)

39.(284+16)×(512-8208÷18)40.120-36×4÷18+35

1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)

4. 3/7 × 49/9 - 4/3

5. 8/9 × 15/36 + 1/276. 12× 5/6 – 2/9 ×3

7. 8× 5/4 + 1/4

8. 6÷ 3/8 – 3/8 ÷6

9. 4/7 × 5/9 + 3/7 × 5/910. 5/2 -( 3/2 + 4/5 )11. 7/8 + ( 1/8 + 1/9 )12. 9 × 5/6 + 5/6

13. 3/4 × 8/9 - 1/3

14. 7 × 5/49 + 3/14

15. 6 ×( 1/2 + 2/3 )

16. 8 × 4/5 + 8 × 11/517. 31 × 5/6 – 5/6

18. 9/7 - ( 2/7 – 10/21 )19. 5/9 × 18 – 14 × 2/720.

4/5 × 25/16 + 2/3 × 3/421. 14 × 8/7 – 5/6 × 12/1522. 17/32 – 3/4 × 9/2423.

3 × 2/9 + 1/3

24. 5/7 × 3/25 + 3/7

25. 3/14 ×× 2/3 + 1/626. 1/5 × 2/3 + 5/6

27. 9/22 + 1/11 ÷ 1/228. 5/3 × 11/5 + 4/3

29. 45 × 2/3 + 1/3 × 1530. 7/19 + 12/19 × 5/631. 1/4 + 3/4 ÷ 2/3

32. 8/7 × 21/16 + 1/233. 101 × 1/5 – 1/5 × 2134.50+160÷40

35.120-144÷18+35

36.347+45×2-4160÷52

37(58+37)÷(64-9×5)

38.95÷(64-45)

39.178-145÷5×6+42

40.812-700÷(9+31×11)

41.85+14×(14+208÷26)

43.120-36×4÷18+35

44.(58+37)÷(64-9×5)

45.(6.8-6.

8×0.55)÷8.546.

0.12× 4.8÷0.

12×4.847.(3.

2×1.5+2.5)÷1.

648.6-1.6÷4= 5.

38+7.85-5.37=49.

7.2÷0.8-1.

2×5= 6-1.19×3-0.43=50.

6.5×(4.8-1.

2×4)=

51.5.8×(3.

87-0.13)+4.2×3.

7452.32.52-(6+9.

728÷3.2)×2.553.

[(7.1-5.6)×0.

9-1.15] ÷2.554.

5.4÷[2.6×(3.

7-2.9)+0.62]55.

12×6÷(12-7.2)-6

56.12×6÷7.2-6

57.0.68×1.9+0.32×1.9

58.58+370)÷(64-45)

59.420+580-64×21÷28

60.136+6×(65-345÷23)

15-10.75×0.4-5.7

62.18.1+(3-0.

299÷0.23)×163.(6.

8-6.8×0.55)÷8.

564.0.12× 4.

8÷0.12×4.865.

(3.2×1.5+2.

5)÷1.6

66.3.2×6+(1.5+2.5)÷1.667.0.68×1.9+0.32×1.9

68.10.15-10.

75×0.4-5.769.

5.8×(3.87-0.

13)+4.2×3.7470.

32.52-(6+9.728÷3.

2)×2.571.[(7.

1-5.6)×0.9-1.

15] ÷2.572.5.

4÷[2.6×(3.7-2.

9)+0.62]73.12×6÷(12-7.

2)-6

74.12×6÷7.2-6

75.33.02-(148.4-90.85)÷2.5

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