分數混合運算練習題分數混合運算練習題及答案急呀要50題

2021-03-07 00:22:50 字數 6782 閱讀 5930

1樓:匿名使用者

例2 用簡便方法計算.

(1)1 - - + (2)3 ×1.25+3.75×9.75-3.75

(3)4.9× +4.1÷1 +(1-0.1) (4)51 ÷ +71 ÷ +91 ÷

同步練習

用簡便方法計算。

1.( + + )× 2. 6 × + ×6

3. 383 ×7.9+79×61 4.( + )×29×24

例3 用簡便方法計算下面各題。

(8512 +347 )-( 47 - 712 ) 13.79-(2712 +1.79+1512 )

199.8×3.7-199.8×1.9+1998×0.8 35.5÷9+35.5÷98

21×14 +13÷4-18×0.25 0.32×7.7+3.2×0.43-0.32×2

同步練習

7.6×12 ÷〔1.9-1.9×(1.9-1.9) 〕 2.5×12.5×32-38-562

934 -15÷19-219 ×2 0.125×34 +18 ×8.25+0.125

3.26×〔1÷(110 -9100 )〕 (23 +15 )+(23 -1217 )-(15 +517 )

2樓:匿名使用者

無法加入分數混合計算的練習題。

3樓:白俊飛

分數混合運算要把各分式分母化簡成同分母形式,然後分子相加減!!!

分數混合運算練習題及答案急呀 要50題

4樓:匿名使用者

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

3/7 × 49/9 - 4/3

8/9 × 15/36 + 1/27

12× 5/6 – 2/9 ×3

8× 5/4 + 1/4

6÷ 3/8 – 3/8 ÷6

4/7 × 5/9 + 3/7 × 5/9

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

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

9 × 5/6 + 5/6

3/4 × 8/9 - 1/3

7 × 5/49 + 3/14

6 ×( 1/2 + 2/3 )

8 × 4/5 + 8 × 11/5

31 × 5/6 – 5/6

9/7 - ( 2/7 – 10/21 )

5/9 × 18 – 14 × 2/7

4/5 × 25/16 + 2/3 × 3/4

14 × 8/7 – 5/6 × 12/15

17/32 – 3/4 × 9/24

3 × 2/9 + 1/3

5/7 × 3/25 + 3/7

3/14 ×× 2/3 + 1/6

1/5 × 2/3 + 5/6

9/22 + 1/11 ÷ 1/2

5/3 × 11/5 + 4/3

45 × 2/3 + 1/3 × 15

7/19 + 12/19 × 5/6

1/4 + 3/4 ÷ 2/3

8/7 × 21/16 + 1/2

101 × 1/5 – 1/5 × 21

50+160÷40 1

20-144÷18+35

我們也有這個作業,但是我還沒算出答案 望見諒求採納

5樓:艾羽夢伊

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

3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27

12× 5/6 – 2/9 ×3 8× 5/4 + 1/4

6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9

5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 )

9 × 5/6 + 5/6 3/4 × 8/9 - 1/3

7 × 5/49 + 3/14 6 ×( 1/2 + 2/3 )

8 × 4/5 + 8 × 11/5 31 × 5/6 – 5/6

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

4/5 × 25/16 + 2/3 × 3/4 14 × 8/7 – 5/6 × 12/15

17/32 – 3/4 × 9/24 3 × 2/9 + 1/3

5/7 × 3/25 + 3/7 3/14 ×× 2/3 + 1/6

1/5 × 2/3 + 5/6 9/22 + 1/11 ÷ 1/2

5/3 × 11/5 + 4/3 45 × 2/3 + 1/3 × 15

7/19 + 12/19 × 5/6 1/4 + 3/4 ÷ 2/3

8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 21

50+160÷40 120-144÷18+35

小學六年級的解方程計算題

x-5.7=2.15 15 5x-2x=18

3x+0.7=5 3200=450+5x+x

x-0.8x=6 x+5.6=9.4,

52-x =15 1÷x =1.3

x+8.3=10.7 15x =3

3x-8=16 7(x-2)=2x+3

3x+9=27 12x=300-4x

7x+5.3=7.4, 3x÷5=4.8,

1.4×8-2x=6, 410-3x=170,

3(x+0.5)=21, 1.8x=0.972

x÷0.756=90, 1.5x+18=3x

0.5x+8=43, 6x-3x=18 , ,5×3-x÷2=8 ,

0.273÷x=0.35, , 9x-40=5, x÷5+9=21,

48-27+5x=31, 10.5+x+21=56, 0.1(x+6)=3.3×0.4

x+2x+18=78, (200-x)÷5=30, (x-140)÷70=4 ,

4(x-5.6)=1.6, 7(6.5+x)=87.5 (27.5-3.5)÷x=4,

x+19.8=25.8, 75.6÷x=12.6, 5(x+8)=102

其他:17/32 – 3/4 × 9/24

3 × 2/9 + 1/3

5/7 × 3/25 + 3/7

3/14 ×× 2/3 + 1/6

1/5 × 2/3 + 5/6

9/22 + 1/11 ÷ 1/2

5/3 × 11/5 + 4/3

45 × 2/3 + 1/3 × 15

7/19 + 12/19 × 5/6

1/4 + 3/4 ÷ 2/3

8/7 × 21/16 + 1/2

101 × 1/5 – 1/5 × 21

3/7 × 49/9 - 4/3

8/9 × 15/36 + 1/27

12× 5/6 – 2/9 ×3

8× 5/4 + 1/4

6÷ 3/8 – 3/8 ÷6

4/7 × 5/9 + 3/7 × 5/9

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

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

9 × 5/6 + 5/6

3/4 × 8/9 - 1/3

7 × 5/49 + 3/14

6 ×( 1/2 + 2/3 )

8 × 4/5 + 8 × 11/5

31 × 5/6 – 5/6

9/7 - ( 2/7 – 10/21 )

5/9 × 18 – 14 × 2/7

4/5 × 25/16 + 2/3 × 3/4

14 × 8/7 – 5/6 × 12/15

17/32 – 3/4 × 9/24

3 × 2/9 + 1/3

5/7 × 3/25 + 3/7

3/14 ×× 2/3 + 1/6

1/5 × 2/3 + 5/6

9/22 + 1/11 ÷ 1/2

5/3 × 11/5 + 4/3

45 × 2/3 + 1/3 × 15

7/19 + 12/19 × 5/6

1/4 + 3/4 ÷ 2/3

8/7 × 21/16 + 1/2

101 × 1/5 – 1/5 × 2

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