August 2018 2 21 Report
Zad 1korzystając ze wzorów skróconego mnożenia wykonaj działania;
a) (3z+2y)²=
b) (2a+2)²=
c) (5z-4)²=
d) (5z+1)(5z-1)=
e)(2+3x)³=
f) (4-3x)³=

Zad 2
Oblicz liczbę,której 40% wynosi∛3 3/8 +(-3)²*1 1/2 -(1-2 1/4)²=
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