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Հանրահաշիվ

446

ա)

2x+3>0

7-4x>0

x=-1, այո

բ)

5x>10

6x+1<0

x=3 ոչ

գ)

8-x<0

3x>3

x=2 ոչ

դ)

7x-10<0

3x+1>0

x=0,6 այո

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