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b) 3/2 : [(5/4 razy 3/5) : 6/5] = 3/2 : (3/4 razy 5/6) = 3/2 : 5/8 = 3/2 razy 8/5= 12/5 = 2 i 2/5
c) (17/40 - 2/10) : 8/5 = (17/40 - 8/40) : 8/5 = 9/40 : 8/5 = 9/40 razy 5/8 = 9/64
d) [(18/5 - 4/2) razy 5] : 4/100 = [(36/10 - 20/10) razy 5] : 4/100 = (16/10 razy 5/1): 4/100 = 16/2 : 4/100 = 16/2 razy 100/4 = 400/2 = 200
e) 35/8 : (13/8 - 3/4) = 35/8 : (13/8 - 6/8) = 35/8 : 7/8 = 35/8 razy 8/7 = 35 : 7 = 5
mam nadzieję że pomogłam