Study

Operaciones combinadas

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10 - (6 - (5 - 4) - 2) + 1 =

8

9:3-(-12):2-13:(-1)=

25

59+[3-(2-3)-6-1]

63

10:(-5)-(-18):9-1+(-4):(-2)=

1

21:(7•3)+4(5-1)

17

27-7- (2-3): (3-2)=

19

2 + 45 : [3 • (17- 12)] =

5

7 - [29 - (4 + 13) + 2] =

-7

5 • (12-9) + 3 • (19-16)

24

6-3-2+4-1-5+13-8:4-9+1=2

2

Regalo del bicho

Siu

Regalo de messi

Jeje

2 • (15 - 2) - [11 - (7 - 3)] =

19

2• [18 + 3 (13 - 9) - 5] =

50

9 ÷ 3 - [(28- 10) - (9 - 2)] =

-8

(12+15)-(3+2+1)-4-(1+2-6+7)

1

7+[4-(2+1)]+(12+4-2)

22

18-[(3+6+9):(9-6)]=

12

4 + 2• [3 + 2 - (4 - 1)] =

8

[4•2 + 20]: 4 + 2• (9: 3) =

13

15 : (11 - 8) + 35 : (25 - 18) =

10