Pomożecie? nie umiem zrobić jak umiecie to zrobicie za mnie ?

a) 8/9 - 2/3 + 1/6= = 16/18 - 12/18 + 3/18= = 4/18 + 3/18= = 7/18 b) 5/8 - 1/2 +3/4= = 5/8 - 4/8 + 6/8= = 1/8 + 6/8= = 7/8 c) 7/6 + 2/9 - 19/27= = 14/18 + 4/18 - 19/27= = 18/18 - 19/27= = 1 - 19/27= = 27/27 - 19/27= = 8/27 d) 3 i 2/3 - 2 i 1/4 + 1 i 5/6= = 3 i 8/12 - 2 i 3/12 + 1 i 10/12= = 1 i 5/12 + 1 i 10/12= = 2 i 15/12= = 3 i 3/12= = 3 i 1/4 e) 6 i 3/64 + 7 i 5/12 - 3 i 1/8= = 6 i 9/192 + 7 i 80/192 - 3 i 24/192= = 13 i 89/192 - 3 i 24/192= = 10 i 65/192 f) 4 i 3/8 + 3 i 1/6 - 2 i 2/3= = 4 i 9/24 + 3 i 4/24 - 2 i 16/24= = 7 i 13/24 - 2 i 16/24= = 6 i 37/24 - 2 i 16/24= = 21/24= = 7/8

a.8/9-2/3+1/6=16/18-12/18+3/18=16/18-15/18=1/18 b. 5/8-1/2+3/4=5/8-4/8+6/8=5/8-10/8=-5/8 c.7/6+2/9-19/27=63/54+12/54-38/54=75/54-38/54=37/54 d. =11/3-9/4+11/6=44/12-27/12+22/12=44/12-49/12=-5/12 e. ?? f. =35/8+19/6-8/3=105/24+76/24-64/24=181/24-64/24=117/24 ?