Odpowiedź:
a. 12x+12
obw.=2x+4+2x+3+5x+1+2x+2+x+2
obw.=12x+12
b. 2x+2
6a=12x+12
6a=12(x+1) /:6
a=2(x+1)
a=2x+2
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Odpowiedź:
a. 12x+12
obw.=2x+4+2x+3+5x+1+2x+2+x+2
obw.=12x+12
b. 2x+2
6a=12x+12
6a=12(x+1) /:6
a=2(x+1)
a=2x+2