Question

Dizimas Periódicas 1°) Calcule as expressões : 1,5+6/10= 3/4+1/4-1/2=

Answer 1

(A)1,5+6/10=x
1,5=3/2
3/2+6/10=x mmc de 2 e 5=10
x=15+12/10
x=27/10
(B)
3/4+1/4-1/2=x mmc de 3,4,2 = 12
x=9+3-6/12
x=6/12
x=1/2