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Find a simple math problem in the second volume of the fourth grade of Qingdao Edition.
Formula 1: A-B-C = A-(B+C)

10-0.432 -2.568

9.3-5.26-2.74

13.4-(3.4+5.2)

14.9-(5.2+4.9)

18.32-5.47-4.32

17.29-5.28-6.29

Equation 2: (AXB) xc = ax (bxc)

25×6.8×0.04

0.25×32×0. 125

6.4× 1.25× 12.5

Equation 3: c× (a+b) = ca+CB.

0.45×20 1

0.58× 10. 1

50.2×99

4.7×9.9

3.28X5.7+6.72X5.7

2. 1×99+2. 1

1.7×9.9+0. 17

23×0. 1+2.3×9.9

0. 18+4.26-0. 18+4.26

0.58X 1.3÷0.58X 1.3

7.3÷4+2.7X0.25

3.75X0.5-2.75÷2

5.26X0. 125+2.74÷8

Equation 4: a ÷ b ÷ c = a ÷ (b× c)

6.3÷ 1.8

4.2÷3.5

9.5÷( 1.9 × 8)

12.8÷(0.4× 1.6)

930÷0.6÷5

63.4÷2.5÷0.4

(7.7+ 1.54)÷0.7

( 1 1.7+9.9)÷0.9

Simple calculation:

100-0.99

10.99+9.87

4.089÷0.047

0.24×390

6.9+4.8+3. 1

0.456+6.22+3.78

15.89+(6.75-5.89)

4.02+5.4+0.98

5. 17- 1.8-3.2

13.75-(3.75+6.48)

3.68+7.56-2.68

7.85+2.34-0.85+4.66

35.6- 1.8- 15.6-7.2

3.82+2.9+0. 18+9. 1

9.6+4.8-3.6

7. 14-0.53-2.47

5.27+2.86-0.66+ 1.63

13.35-4.68+2.65

73.8- 1.64- 13.8-5.36

47.8-7.45+8.8

0.398+0.36+3.64

15.75+3.59-0.59+ 14.25

66.86-8.66- 1.34

0.25× 16.2×4

( 1.25-0. 125)X8

3.6X 102

3.72X3.5+6.28X3.5

36.8-3.9-6. 1

4.8×7.8+78×0.52

32+4.9-0.9

4.8× 100. 1

56.5×9.9+56.5

7.09X 10.8-0.8X7.09

25.48-(9.4-0.52)

4.2÷3.5

320÷ 1.25÷8

18.76×9.9+ 18.76

3.52÷2.5÷0.4

3.9-4. 1+6. 1-5.9

5.6÷3.5

9.6÷0.8÷0.4

4.2×99+4.2

17.8÷( 1.78×4)

0.49÷ 1.4

1.25×2.5×32

3.65× 10. 1

15.2÷0.25÷4

0.89× 100. 1

146.5-(23+46.5)

3.83×4.56+3.83×5.44

4.36× 12.5×8

9.7×99+9.7

27.5×3.7-7.5×3.7

8.54÷2.5÷0.4

0.65× 10 1

3.2×0.25× 12.5

7.2×0.2+2.4× 1.4

8.9× 1.0 1

7.74×(2.8- 1.3)+ 1.5×2.26

3.9×2.7+3.9×7.3

18- 1.8÷0. 125÷0.8

12.7×9.9+ 1.27

2 1×(9.3-3.7)-5.6

15.02-6.8- 1.02

5.4× 1 1-5.4

2.3× 16+2.3×23+2.3

9.43-(6.28- 1.57)

3.65×4.7-36.5×0.37

46×57+23×86

13.7×0.25-3.7÷4

2.22×9.9+6.66×6.7

10 1×0.87-0.9 1×87

10.7× 16. 1- 15. 1× 10.7

0.79× 199

4.8+8.63+5.2+0.37

5.93+0. 19+2.8 1

1.76+0. 195+3.24

2.35+ 1.7 13+0.287+7.65

1.57+0.245+7.43

6.02+3.6+ 1.98

0. 134+2.66+0.866

1.27+3.9+0.73+ 16. 1

7.5+4.9-6.5

3.07-0.38- 1.62

1.29+3.7+2.7 1+6.3

8-2.45- 1.55

3.25+ 1.79-0.59+ 1.75

23.4-0.8- 13.4-7.2

0.32×403

3.2+0.36+4.8+ 1.64

1.23+3.4-0.23+6.6

0.25×36

12.7-(3.7+0.84)

36.54- 1.76-4.54

0.25×0.73×4

7.6×0.8+0.2×7.6

0.85× 199

0.25×8.5×4

1.28×8.6+0.72×8.6

12.5×0.96×0.8

10.4-9.6×0.35

0.8×(4.3× 1.25)

3. 12+3. 12×99

28.6× 10 1-28.6

0.86× 15.7-0.86× 14.7

2.4× 102

2.3 1× 1.2×0.5

14-7.32-2.68

2.64+8.67+7.36+ 1 1.33

70÷28

(2.5-0.25)×0.4

9. 16× 1.5-0.5×9. 16

3.6-3.6×0.5

63.4÷2.5÷0.4

4.9÷ 1.4

3.9÷( 1.3×5)

(7.7+ 1.54)÷0.7

2.5×2.4

2.7÷45

15÷(0. 15×0.4)

0.35× 1.25×2×0.8

32.4×0.9+0. 1×32.4

15÷0.25