Oblicz X Piszcie plis ... / kreska ułamkowa a) 0,13/5x=2,6/52 b) 1,2/3/4=4,4/3x c) 1/4/14-1/5/14+1/5=x/0,09 d) 0,25/2i1/3-1i1/4=0,15y/260 Piszcie dam najjjj........
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a) 0,13/5x=2,6/52
5x*2,6=0,13*52
5x = 0,13 * 52 / 2,6
x=0,52