oblicz : ( a+4b )-( 5+2a )-(3b-5)=...................................................a=-0,1 b=0,2
4x-(x+6)+4=.........................................................................x=1/3 jedna trzecia
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(-0,1 + 4*0,2) - [5 + 2*(-0,1)] - (3*0,2 -5) =
-0,1 + 0,8 - 5 - 0,2 - 0,6 + 5 =
0,7 - 0,2 - 0,6 = -0,1
4*1/3 - ( 1/3 + 18/3) +4 =
4/3 - 19/3 + 4 =
23/3 + 4 =
7 i 2/3 + 4 =
11