Posted in Հանրահաշիվ, Uncategorized

Հանրահաշիվ 10.02.2018

(x+2=).5=5.x+5.2=5x+10

6.(3y-4)=6.3y+6.4=18y+24

(2m+3n).7=7.3n+7.2m=21n+14m

c(2a+5b)=c.2x+c.5b

-4a(3b-2a)=-4a.3b-4a.2

(-5x+3y).2x=2x.(-5x)+2x.3y

(3a-4b+5c).(-2)=-2 . 3a- 2 . 4b +2 . 5c

X^3(x^2+x-2)= x^3. x^2 + x^3 . x-2

(3y^2 + 4y-1).(-5y^6)= -5y^6 . 3y^2-5y^6.4y-1

 

 

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