Question

calcule: respondam por favor

A) (8/4:3/2)+(5/3:3/2)


B) 9/4-1/5-5/3​

Answer 1

Oi...

Resolução:

a)

(8/4 ÷ 3/2) + (5/3 ÷ 3/2)

(2 × 3/2) + (5/3 × 2/3)

4/3 + 10/9⇒mmc 3, 9 = 9

12 + 10/9

22/9

b)

9/4 - 1/5 - 5/3 ⇒mmc 4, 5, 3 = 60

135 - 12 - 100/60

135 - 112/60

23/60

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