a) 1/2+2/3+3/4 = b) 4+5 i 2/5 + 2 i 1/4 = c) 10 i 1/3 - 3 = d) 10 - 7 i 3/5 = e) 2 i 3/8 - 1 i 5/8 = Rozwiążcie to jak możecie , z góry dziękuję . :* :3
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a) 1/2 + 2/3 + 3/4 = 6/12 + 8/12 + 9/12 = 23/12 =1 i 11/12
b) 4 + 5 i 2/5 + 2 i 1/4 = 4 + 27/5 + 9/4 = 4 + 108/20 + 45/20 = 4 i 153/20 = 11 i 13/20
c) 10 i 1/3 - 3 = 7 i 1/3
d) 10 - 7 i 3/5 = 2 i 2/5
e) 2 i 3/8 - 1 i 5/8 = 6/8 = 3/4