Question

gente não estou conseguindo resolver essas expressões alguém me ajuda?

Answer 1

(H)

15 + 3 x 7 - 2 x 3 + 8 : 2 =

15 + 21 - 2 x 3 + 8 : 2 =

15 + 21 - 6 + 8 : 2 =

15 + 21 - 6 + 4 =

36 - 6 + 4 =

30 + 4 =

34

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(I)

15 x 2 - 30 : 3 + 7 =

30 - 30 : 3 + 7 =

30 - 10 + 7 =

20 + 7 =

27

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(J)

10 x [ 30 : ( 2 x 3 + 4 ) + 15 ] =

10 x [ 30 : ( 6 + 4 ) + 15 ] =

10 x [ 30 : 10 + 15 ] =

10 x [ 3 + 15 ] =

10 x 18 =

180

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(K)

[ ( 18 + 3 x 2 ) : 8 + 5 x 3 ] : 6 =

[ ( 18 + 6 ) : 8 + 5 x 3 ] : 6 =

[ 24 : 8 + 5 x 3 ] : 6 =

[ 3 + 5 x 3 ] : 6 =

[3 + 15 ] : 6

18 : 6

3

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(L)

3 + 5 x 2 - 4 : 2 =

3 + 10 - 4 : 2 =

3 + 10 - 2 =

13 - 2 =

11