Question

a) (5 2 – 3 . 7) + ( + 3³ . 2) . 2 – 2 3


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Answer 1

Resposta: (52 – 3 . 7) + ( + 3³. 2) . 2 – 23 = 116

52 - 21 + 27 x 2 x 2 - 23

31 + 54 x 2 -23

31 + 108 - 23

139 - 23

116