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
分數四則混合運算,分數四則混合運算
做加減法的時候,如果分母不相同,則一定要通分,做乘除法的時候,都不用通分 如果一個式子有括號,那麼要先算括號裡的,如果沒有括號,那麼先算乘除後算加減 這部分題目多做點練習題就沒什麼大問題了 1 7 6 13 8 13 1 7在這個式子裡,沒有括號,所以我們就應該按順序來算,先算乘除,1 7 6 13...
小學數學六年級上冊分數混合運算練習題帶答案
0.4 bai125 25 du0.8 1.25 zhi 8 10 9123 123 8.8 1.24 8.3 8.3 1.76 9999 1001 14.8 6.3 6.3 6.5 8.3 3.71.24 0.78 8.76 933 157 43 4821 998 32 125 25 9048 d...
給我20題分數混合運算六年級分數混合運算計算題
1.3 7 49 9 4 3 2.8 9 15 36 1 273.12 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 97.5 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...