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Mathematics problems in the fourth grade of primary school
Hello, the fourth grade math problem in primary school.

A single addition and subtraction operation can be calculated in the order of questions.

Addition, subtraction, multiplication and division are calculated in the order of multiplication and division before addition and subtraction.

1、 125+25×6

2、 120-60÷5×5

3、 1024÷ 16×3

4、( 135+4 15)÷5+ 16

5、 164- 13×5+85

6、330÷(65-50)

7、 128-6×8÷ 16

8、64×( 12+65÷ 13)

9、5940÷45×(798-6 16)

10、(3 15×40-364)÷7

1 1、(20 10-906)×(65+ 15)

12、(20+ 120÷24)×8

13、40×20-200

14、288÷[(26- 14)×8]

15、500×6-(50×2-80)

16、( 105× 12-635)÷25

17、(845- 15×3)÷ 16

18、95÷(64-45)

19、 178- 145÷5×6+42

20、(58+37)÷(64-9×5)

2 1、 106×9-76×9

22、 1 17÷ 13+37×(65+35)

23、540-( 148+47)÷ 13

24、(308—308÷28)× 1 1

25、(238+7560÷90)÷ 14

26、2 1×(230- 192÷4)

27、 19×96-962÷74

28、 10000-(59+66)×64

29、5940÷45×(798-6 16)

30、(3 15×40-364)÷7

3 1、735×(700-400÷25)

32、 1520-( 1070+28×2)

33、9405-2940÷28×2 1

34、920- 1680÷40÷7

35、690+47×52-398

36、 148+3328÷64-75

37、360×24÷32+730

38、2 100-94+48×54

39、5 1+(2304-2042)×23