Proszę o pomoc ! Oblicz : A)X - 7 5/12 = 2 35 B)2 1/4 + 3 1/2 + X = 12 4/5 C)X - 19 1/5 = 3 2/5 D)Z : 3 1/2 = 4 E)X - 3 2/5 = 6 4/5 F) 3/14 x Y = 11/12 Proszę o pomoc dam najlepszą odpowiedz oraz pytanie na 35 pkt :)))))⊕

x - 7 5/12 = 2 3/5 2 3/5 + 7 5/12 = 2 36/60 + 7 25/60 =9 51/60 = 9 17/20 X = 9 17/20 2 1/4 + 3 1/2 + X =12 4/5 2 5/20 + 3 10/20 + X = 12 16/20 12 16/20 - 2 5/20 - 3 10/20 = 7 1/20 X = 7 1/20 X - 19 1/5 = 3 2/5 3 2/5 + 19 1/5 = 22 3/5 X = 22 3/5 Z ÷ 3 1/2 = 4 4 × 3,5 = 12 + 2 = 14 X = 14 X - 3 2/5 = 6 4/5 6 4/5 + 3 2/5 = 9 6/5 = 10 1/5 X = 10 1/5 3/14 × Y = 11/12 11/12 ÷ 3/14 = 77/84 ÷ 18/84 = 4,47/84