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h= 0,75*0,5 *(2*6+2*10)
h=12
pb= 2*6*12+2*10*12=384
pp=6*10=60
384-100%
60-x%
x%=100*60/384=15,625 %
10×6=60
pb:2x(12x10)+2x(12x6)=384cm²
384 = 100%
60 = x%
pp:60×1=384x /÷384
x=0,15625
x=15,625%
Sorki na poczatku popełniłem bład ale teraz jest git :D