[دافوره]

عَ2 = 2 × 0.5 / 0.5 + 2 × 5
= 1 ÷ ( 5/2 ) × 5
= 1 × 2/5 × 5
= 2 م/ث
عَ1 = 0.5 - 2 ÷ 0.5 + 2 × 5
= -3/2 ÷ 5/2 × 5
= -3/2 × 2/5 × 5
= -3 م/ث