2x razy 1/2= -5y razy 1/5= 1 1/2z : 3= 3/8w razy (-3/8)= 1/7u razy 7=
2x razy 1/2=x
-5y razy 1/5=-1y
1 1/2z : 3=3/2z:9/3=3/2xrazy3/9=9/18z=1/2z
3/8w razy (-3/8)=-9/64w
1/7u razy 7=1u
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2x razy 1/2=x
-5y razy 1/5=-1y
1 1/2z : 3=3/2z:9/3=3/2xrazy3/9=9/18z=1/2z
3/8w razy (-3/8)=-9/64w
1/7u razy 7=1u