Question

a) 50-2 . [ 7+8 :2]=
b) 100-3. (5+8:2)
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Answer 1

$a) 50-2 * [ 7+8 :2]$

$50-2*[7+4]$

$50-2*11$

$50-22$

$28$

$b) 100-3* (5+8:2)$

$100-3*(5+4)$

$100-3*9$

$100-27$

$73$

Answer 2

Resposta:

a)42

b)81

Explicação passo-a-pass