September 2018 1 26 Report

Z.4 str 41.Matematyka z Plusem

a) (a+b)x3+(a+b)x2+(a+b)x=(a+b)x( )

b) (x+1)x2+(x+1)(1-x)+(x+1)2=(x+1)( )

Z.3

d) 14i1/21*8/17+14i1/21*9/17=

e)1/333*1/8+1/111*23/24=

f)7(3)+7

-----------=

7(2)+1

Wyłączanie wspólnego czynnika przed nawias.


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