Odpowiedź:
1.a. 5x-6y
b.4,7x-3,9y
2.a 8a+13=8*-3+13=-11
b. -3x-2y-1=-3*0,3-2*1/3-1=3 17/30
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Odpowiedź:
1.a. 5x-6y
b.4,7x-3,9y
2.a 8a+13=8*-3+13=-11
b. -3x-2y-1=-3*0,3-2*1/3-1=3 17/30