Odpowiedź:
1.
x=180-(79+73)
x=28°
3.
180-50=130
130-30=100
100:2=50
x=50°
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Odpowiedź:
1.
x=180-(79+73)
x=28°
3.
180-50=130
130-30=100
100:2=50
x=50°