Răspuns :
Răspuns:
Explicație pas cu pas:
( 1 / 2 + 1 / 3 : 1 / 4 ) × 12
( 1 / 2 + 1 / 3 × 4 ) × 12
( 1 / 2 + 4 / 3 ) × 12
11 / 6 × 12
simplifici 6 cu 12
11 × 2
22
( 1 / 2 + 1 / 3 : 1 / 4 ) × 12 =
( 1 / 2 + 1 / 3 × 4 / 1 ) × 12 =
( 1 / 2 + 4 / 3 ) × 12 =
( 3 / 6 + 8 / 6 ) × 12 =
11 / 6 × 12 =
132 / 6 = 22