rozwiąż obliczenia a) 10% ze 100 , 50% ze 100 b) 25% z 1000 , 1% z 200 , 75%ze 100 d) 50%z 8,5 , 10%z 420,5
a)10% * 100=10
50% * 100=50
b) 25% * 1000=250
1% * 200=2
75% * 100=75
d) 50% * 8,5=4.25
10% * 420,5=42.05
a)10%---100
100%---x
x=10
b)
50%--100
100%=x
x=50
c. x=
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a)10% * 100=10
50% * 100=50
b) 25% * 1000=250
1% * 200=2
75% * 100=75
d) 50% * 8,5=4.25
10% * 420,5=42.05
a)10%---100
100%---x
x=10
b)
50%--100
100%=x
x=50
c. x=