Odpowiedź:
Zad 3
1. F
2.P
Zad 4
x - dziewczyny = 12
x + 3 - chłopcy = 12 +3= 15
x + x+3 = 27
2x + 3 = 27 /-3
2x = 24 / ÷2
x = 12
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Odpowiedź:
Zad 3
1. F
2.P
Zad 4
x - dziewczyny = 12
x + 3 - chłopcy = 12 +3= 15
x + x+3 = 27
2x + 3 = 27 /-3
2x = 24 / ÷2
x = 12