September 2018 2 28 Report

1zadanie : (Wykonaj w sposób skrócony).

a) (-3c+7k)²=

b)(3a+5b)·(3a-5b)=

c) (-a+7v)·(a+7v)=

d) (-2t-8b)·(2t-8b)=

e) (-4s+5w)·(-4s-5w)=

2 zadanie.(Wykonaj działania)

a) (6x-5b)²=

b) (-2 i 2/7-2 1/8)·(2 2/7 -2 1/8 )=

3 zadanie : ( Uprość wyrażenia)

a) (3j+4k)²+(3t+6w)·(-6w+3t)=


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