1 2/3 + 5/6 : 2 1/2

1 2/3 + 5/6 : 2 1/2
= 5/3+ 5/6 : 5/2
= 5/3 + 5/6 x 2/5
= 5/3 + 1/3
= 6/3
= 2
Semoga membantu!

1 × ⅔ + 5/6 : 2 × ½
= 2/3 + 5/6 × 1/2 × 1/2
= 2/3 + 5/24
= 7/8
= 0,875