2 1/2 : 3 3/4 +2 1/3 + (1/6)2 · 6 = 2 1/7 + 2 1/7 ·2 4/5 - (1 1/2: 2 1/4) : 1/6= 2 2/5 ·1 7/8 - (1 1/2)2 + (1/2)3 ·2 = Plz na jutro ;( pomoze ktoś? :( :( jakby co to / to kreska ułamkowa.

2 1/2 : 3 3/4 + 2 1/3 + (1/6)2 * 6 = 5/2 : 15/4 + 2 1/3 + 1/3 * 6 = 5/2 * 4/15 + 2 1/3 + 2 = 2/3 + 2 1/3 + 2 = 5 2 1/7 + 2 1/7 * 2 4/5 - (1 1/2 : 2 1/4) : 1/6 = 2 1/7 + 15/7 * 14/5 - (3/2 : 9/4) : 1/6 = 2 1/7 + 6 - (3/2 * 4/9) : 1/6 = 2 1/7 + 6 - 2/3 : 6 = 2 1/7 + 6 - 2/3 * 1/6 = 2 1/7 + 6 - 1/9 = 8 1/7 - 1/9 = 8 9/63 - 7/63 = 8 2/63 2 2/5 ·1 7/8 - (1 1/2)2 + (1/2)3 ·2 = 12/5 * 15/8 - (3/2)2 + 3/2 * 2 = 9/2 - 3 + 3 = 4 1/2 - 3 + 3 = 1 1/2 + 3 = 4 1/2 Mam nadzieję, że pomogłam :-)