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x= 3/5*1/6
x=1/10
2y=1/4 /:2
y= 1/4 * 1/2
y= 1/8
5z= 1 1/2 /:5
z= 1 1/2 : 5/1
z= 3/2*1/5
z= 3/10
4w= 5 /: 4
w= 1 1/4
Liczę na NAJ ;)