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1. (radical)√18 : √2-(-5)=? 

2.2(3x+1)-10<4x+1=?

3.(√3+√2+1)²(la puterea a doua) =2[(1+√2)(1+√3)+2]=?

4.x(x+1)-x²=?

5.3√3x-√54=0=?

6.√80-√254+√125=?

7.3(x-1)+2=2x+3=? 

Mersi mult !

Răspuns :

Andradagb00ask
1. 3√2 - √2 + 5 = 2√2 + 5
2. 3√2 : √2 + 5 = 3 +5 = 8

Mariadaniela01ask
1.8
2.x<9/2
4.x
5.x=54/27(nu sunt sigura)
7.x=4

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