Current location - Training Enrollment Network - Mathematics courses - In the fifth grade, the second volume of mathematics, Qingdao edition, there are 300 problems in score calculation, as long as our teacher doesn't let us add and subtract.
In the fifth grade, the second volume of mathematics, Qingdao edition, there are 300 problems in score calculation, as long as our teacher doesn't let us add and subtract.
1, 2× 4 of 80 = 2/20 =110.

2, 9 7×3=7/3

3,2× 5 of 25 = 2/5

7× 140= 14 in 4.70.

3×7 = 2 1/5 of 5.5

6, 7 8×7=8

7, 2 7×9=63/2

8, 9 7×2= 14/9

9, 2×2= 1.

10, 14 7×4= 14/7=2

1 1, 4× 5 of 20 =1

12,8× 2 of 7 =16/7

13, 1×2= 1/4.

14, 1× 100 = 1/ 100.

15,268 points 1×4= 1/67

16, 2 = 3/960 in 3÷480.

17, 2/4 ÷ 2 = 1/4

18, 1÷8= 1/40.

19, 10 6÷2=3/ 10

20, 4 7÷8=7/32

3 ÷ 6 in 2 1 56 =1112.

5÷ 1 = 5/37 in 22,37

8 ÷ 2 of 23,7 = 4/7

24, 9 7÷3=7/27

25, 65438+3/00 ÷ 5 = 3/50

26, 5/9 = 1/9

27, 4/8 ÷ 8 = 4

28, three quarters ÷ 5 = 3/20

29, 9 4÷2=2/9

30, 23 7÷6=7/ 138

3 1, 4/5+8/5 = 12/5

1 = 1

33, 3/4+65438/8+0 = 7/8

34, 4/7+2/8 = 46/56 = 23/28

35,7 7+ 10/0 point1= 36/10 =18/5.

8 = 7 of 36,7+7 and 8 of 7.

37, 7/5+3/5 = 2

38, 9+3/4 = 9+3/4

39, 1+ 1= 1/2.

65438 in 40.8+0+65438 in 7+0 =13/56.

4 1, 7 of 6+7 1 = 55/42.

42, 1+2/6 = 1 and 1.

5 of 43,7+5 of 65438+0 = 32/35

44, 6/5+4/3 = 38/ 15

45, 5 of 1+7 =1and 5 of 7.

65438 in 46.5+0-65438 in 6+0 =1/30.

47, 4 8- 1= 1

48, 3/5- 1=2/5

49, 1= 1/ 10.

50, 1-8 part 1=7/8

5 1, 8/3 to 1=37/ 15.

52, 8-2 1= 15/2

53, 7/5-3/4 = 13/20

54, 2-2 19= 1/2

55, 1- 1=0.

56, 7/9-3/4 = 1/36

57, 9/5- 1 = 4/5

8+0 of 50-65438 of 58,72 = 41/72.

4-3 of 59,9 =1/9

60,48 points 16-5 points 1=2/ 15