Question

Efetue os cálculos a seguir:
(a) 3/2+4/2=

(b) 12/33-1/33=

(c) 3/2+2/3=

(d) 2/3-1/5=

Answer 1

a)  (3+4) / 2 = 7/2

b) (12-1)/33 = 11/33

c) ( 9+4)/ 6 = 13/6 

d)  (10-3) / 15 = 7/15