Question

a) 20-(1⁴ × 6+2³) =?

b) (2⁴-3×4)÷2+5² ÷ 5 =?

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Answer 1

Resposta:

A) 20 - 1 x 6 + 8 =

20 - 6 + 8 =

14 + 8 = 22

B) 16 - 12 : 2 + 25 : 5 =

16 - 6 + 5 =

10 + 5 = 15