1. Procenty przedstaw w postaci ułamków nieskracalnych. (ułamki piszcie np. 12/85 lub 20/81)
a) 1%,20%,80%
b)15%,60%,75%
c)120%,225%,350%
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a)1%-1/100,20%-1/5,80%-4/5
b)15%-3/20,60%-3/5,75%-3/4
c)120%-1i 1/5,225%-2 i 1/4,350%-3 i 1/2
a) 1% = 1/100, 20% = 20/100 = 1/5 80% = 80/100 = 4/5
b) 15% = 15/100 = 3/20 60% = 60/100 = 3/5 75% = 75/100 = 3/4
c) 120% = 120/100 = 6/5 225%= 225/100 = 9/4 350% = 350/100 = 7/2