Question

resolva as expressões


99 − {9 + [2 + (42 ÷ 7 + 5 × 8)] + 3} =


100 − 3 × [20 − 2 × (18 ÷ 2 − 6)] =


34 + [20 − 2 × (8 − 3 × 2)] × 6 =


20 − [60 ÷ (8 − 2) − 3] =

Answer 1

99 - {9+[2+(42:7+5x8)]+3} = 99-{9+[2+(6+40)]+3} = 99- {9+[48]+3} = 99- 60 = 39

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100 - 3 x [ 20 - 2 x ( 18 : 2 - 6 ) ] = 100 - 3 x [ 20 - 2 x (3) ] = 100 - 3 x [14] = 100 - 42 = 58

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34 + [ 20 - 2 x (8 - 3 x 2)] x 6 = 34 + [ 20 - 2 x (2)] = 34 + [20 - 4] = 34 + 16 = 50

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20 - [ 60 : ( 8 - 2 ) - 3 ] = 20 - [ 60 : (6) - 3 ] = 20 - [ 10 - 3 ] = 20 - 7 = 13

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Espero que esteja tudo certo