Friday, March 1, 2019

Հանրահաշիվ


549. ա․       
√3x-1=0
3x=1
x=1/3

բ․
√4x+5=2
4x+5=4
4x=-1
x=-1/4


գ.
√7-3x=1
7-3x=1
3x=7+1
3x=8
x=8/3

դ․
√-x-1=3
-x-1=9
-x=9+1
-x=-10


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