Calculez. 2/5 + 3/5 × 1/2 = ( 4/5 + 3/10 ) × 2/7 = 1/2 + 3/2 × 5/7 + 2/7 = 4/7 - 1/5 × 3/2 =
Mathématiques
shana7265
Question
Calculez.
2/5 + 3/5 × 1/2 =
( 4/5 + 3/10 ) × 2/7 =
1/2 + 3/2 × 5/7 + 2/7 =
4/7 - 1/5 × 3/2 =
2/5 + 3/5 × 1/2 =
( 4/5 + 3/10 ) × 2/7 =
1/2 + 3/2 × 5/7 + 2/7 =
4/7 - 1/5 × 3/2 =