Ates63rans
Answered

x y z birer tam sayıdır x-y+z=10

y-2x=2z olduguna göre x.z encok=?

 

Sagot :

x-y+z=10 ise 2(x-y+z)=20 ve

2x-2y+2z=20 ve 2z=y-2x

2x-2y+y-2z=20 y=20

x-20+z=10, x+z=30

x ve z 15 olursa çarpımları 225 olur. 

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