matematyka z plusem 1 zbiór zaań zad 30 str 63
a)12ax-x+a-10ax
b)10ab+3ab do kwadratu +5ab-3ab do kwadratu
a)12ax-x+a-10ax=2ax-x+a
b)10ab+3ab(2)+5ab-3ab(2)=15ab
a)
12ax-x+a-10ax=2ax-x+a
b)
10ab+3ab² +5ab-3ab²=10ab+5ab=15ab
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a)12ax-x+a-10ax=2ax-x+a
b)10ab+3ab(2)+5ab-3ab(2)=15ab
a)
12ax-x+a-10ax=2ax-x+a
b)
10ab+3ab² +5ab-3ab²=10ab+5ab=15ab