1.实数混合运算
2.整式混合运算
3.分式混合运算
4.因式分解
5.分式方程
各30到
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
整式
1.18.1+(3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.84
4.2×1.5+2.5÷(-1.6)
5.(-2)×3.2×(1.5+2.5)÷1.6
6.6-1.6÷4+(6.8-9)
7.38+7.85-5.37÷89
8.7.2÷0.8-1.2×5
9.-1.19×3-0.43
10.6.5×(4.8-1.2×4)
11.68×1.9+0.32×1.9
12.10.15-10.75×0.4-5.7
13.5.8×(3.87-0.13)
14.(-8.01)+4.2×3.74
15.32.52-(6+9.728÷3.2)×2.5
16.[(7.1-5.6)×0.9-1.15] ÷2.5
17.5.4÷[2.6×(3.7-2.9)+0.62]
18.12×6÷(12-7.2)-6
19.12×6÷7.2-6
20.33.02-(148.4-90.85)÷2.5
21.(-5)-252×(-78)
22.(-6) ×(-2)+3÷(5+50)
23.7-7+3-6-(-90)
24.(-8)(-3)×(-8)×25
25.(7+13) ÷(-616)÷(-28)
26.(8+14-100-27)÷4
27.(-15) ÷(-1)-101÷10
28.16÷0.21×(-8) ×(4.1+5.9)
29.(-10) ×(-2) ×4÷{-9÷[6+(-5.67)]}
30.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
分式方程
1.(2x分之3) + 2 = 0
2.(x-1分之x) + (x+1分之2) =1
3.(x+1分之1) - (x²+3x+2分之x²)=-1
4.(X+2)/X=(X+5)/(X+1)
5.2/3 x = 6
6.5/8 x + 1 =6
7.4/3 x + x =0
8.7/3 x -4/3 x =1
9.5/2 y -5/2 y=o
10。2/(x+2)+1/(x+1)=3/x
11.100/(X+3)==200/(X-1)
12。4/x+4/x=1
13.1/2+1/(x+3)=(2-x)/(x+3)
14. (x+5)/(x+8)=(x+6)/(x+7)
15. 10/2x=10/x+1/3
16. (x-1)/(x-3)=(x+1)/(x-1)
17.2/(x-3)=3/(x-3)
18.3/(x+4)=3/(x-4)
19.30/(x+2)=20/(x-2)
20. 2000\2x+1000\3x=(2000+1000)\9
21.x/(4+x)=4/3
22.90/X+120/X=35
23.9/x+15/20=1
24.80/1.5x+1=80/x+1/3
25. 80/3x-1/3=5
26.900/X+30=600/X
27。800/x+20=60
28.700/X+20=70
29.600/X+50=100
30.700/X+600=100