有没有分数乘法的口算和计算题?(不要除法)
1个回答

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

1.口算下面各题

(1)58+42= (2)87-45= (3)125×8=

(4)50×12= (5)804÷4= (6)134+66=

(7)1000-98= (8)720÷5= (9)0÷47=

2.先填写下面各题的运算顺序,再计算出得数.

(1)168+36-36+32=

(2)153-5×14+83=

(3)50×5÷50×5=

3.判断:对的打“√”,错的打“×”

(1)13×15与15×13表示的意义相同.( )

(2)3000÷425÷8的计算结果一定小于3000÷(425×8)的计算结果.( )

(3)两个因数的积是800,如果一个因数不变,另一个因数缩小20倍,那么积是40.( )

(4)算式:“750÷25+35×2”所表示的意义是750除以25的商;加上35的2倍,和是多少?( )

(5)24×25=6×4×25=6+100=106( )

4.用简便方法计算:

(1)3786-499

(2)32×25×125

(3)1653-338-662

(4)7987+350+2013+450

(5)38×38+62×38

(6)452+99×452

(7)201×79

(8)50×125×4×8

(1)340×(120-40÷8)

(2)45×(720-1957÷19)

(3)86+[4500+(2088÷36)÷2]

(4)396×[74-(4875÷15-13×21)]

(5)[1054-(174-168)]÷8

(6)6048÷[(107-99)×9]

51+(2304-2042)×23

4215+(4361-716)÷81

(247+18)×27÷25

36-720÷(360÷18)

1080÷(63-54)×80

(528+912)×5-6178

8528÷41×38-904

264+318-8280÷69

(174+209)×26- 9000

814-(278+322)÷15

1406+735×9÷45

3168-7828÷38+504

796-5040÷(630÷7)

285+(3000-372)÷36

546×(210-195)÷30

0.75+0.2)/0.25*25% 12/0.75+7.2/2.4

605*8+3.5-44 10.9-(6.6+0.125/12.5%)

980-9.8)*0.6-2.12 (0.125*8-0.5)*4

1+0.45/0.9-0.75 168.1/(4.3*2-0.4)

1.21*42-(4.46+0.14) 1375+450/18*25

18/1.5-0.5*0.3

1.9-1.9*(1.9-1.9)

1.(1+1/2)(1+1/3)(1+1/4).(1+1/100)

2.(1-1/2)(1-1/3)(1-1/4).(1-1/100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26-1.5)

6.286+198

7.314-202

8.526+301

9.223-99

10.6.25+3.85-2.125+3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375+5.75+2.25+6.625

15.1001-9036÷18

16.3.8×5.25+14.5

17.2.1*4.3+5.7*2.1

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1+17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*47+639

26.1/2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

31.6.54+2.4+3.46+0.6

32.5/6-1/2

33.95.6*1.8+95.6*8.2

34.1/2×1/5

35.600-420/12

36.344/3.6-5.4*0.25

37.16/2+30/2+90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25+0.75*1.2

41.(1/2+1/3+1/4)*0.24

42.(25+4)*4

43.300-4263/21

44.0.81/0.25+5.96

45.403÷13×27

46.1.5×4.2-0.75÷0.25

47.3.27×4 +3.27×5.7

48.(1.2+ 1.8)×4.51025-768÷32

49.0.25×80-0.45÷0.9

50.1025-768÷32

51.0.25*2.69*4

52.2348+275*16

53.2/9*15/8-1/12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45*12

56.0.15+1.2/0.24-0.45

57.3.75-(2.35+0.25/1.25)

58.76*1/4+23*25/100+0.25

59.10-2.87-7.13

60.0.96+9.6*9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8+2.2*16+16

64.401*19+284

65.58.7-16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.31-1.125-7.875

68.640+128*45

69.8.2*1.6-0.336/4.2

70.400*(0.62+0.08)

1/2+1/3

2/1-5/4

93*39

3/4+5/4=? 4/5+6/5=? 5/6+6/7=?

三分之一加六分之五

五分之七加九分之六 八分之三乘六分之五 七分之四除以十一分之六