Question

Calcule :

1,2333...+ 1,555...

A)251/90
B) 235/90
C) 117/90
D) 97/5
E) 211/30

Answer 1

1,2333.......+ 1,555...

123-12/90 + 15-1/9

111/90 + 14/9

111/90 + 140/90

251/90

Answer 2

resolução!

X = 1,23333

X = 123 - 12 / 90

X = 111 / 90 ÷ 3

X = 37 / 30

X = 1,555...

X = 15 - 1 / 9

X = 14 / 9

= 37/30 + 14/9 _____ MMC = 90

= 111 + 140 / 90

= 251 / 90