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There is an urgent need for 600 calculation problems of mathematics in the fifth grade of primary school (with answers)
The math problems in the fifth grade of primary school are as follows:

1、4.9×0.7=3.43

2、0.87-0.49=0.38

3、8+2-8+2

4、25*4/25*4

5、7.26-(5.26- 1.5)

6、286+ 198

7、3 14-202

8、526+30 1

9、223-99

10、6.25+3.85-2. 125+3.875

1 1、9-2456*2 1

12、0.5/ 1 1.5-4*2.75

13、 1/2×3/5

14、3.375+5.75+2.25+6.625

15、 100 1-9036÷ 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

2 1、2.8*3. 1+ 17.6/8

22、3/5×5/6

23、(50- 12.5)/2.5

24、2/5× 1/3

25、6 1 10*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

3 1、6.54+2.4+3.46+0.6