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100% - x
x= 100*100/75=133,3
b) 3% - 2
100% - x
x=100*2/3=66,6
c)4,75%- 11
100% - x
x=100%*11/4,75= 231,58
d) 500% - 6
100% - x
x=100%*6/500=1,2
e) 1 1/3 - 3,3
1 - x
x=3,3/1 ¹/₃=3,3*3/4=2,475
zadanie drugie jest na tej samej zasadzie.
3. 11,6 - 100%
x - 35%
x=35%*11,6/100%= 4,06
4. 3(2/3)²+(2/3*3/2)²+2/3*3/2=3*4/9+(6/6)²+6/6=12/9+1+1=2 12/9=3 1/3