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2. Secondaria primo grado
3. Classe 3 esami
4. Equazioni

1. 1. $2(x+2)/3 - 4(x+1)/9 = -2x +5(x-2)/6 -2/9$ Antonio Bernardo
2. 2. $(2x+2)^2-8x+3=3x(x-1)+x(x+1)$ Antonio Bernardo
3. 3. $(x-1)^2+(x-2)^2-(x+1)(x-1)-4=(x+2)(x-2)-6(x-1)$ Antonio Bernardo
4. 4. $(((2(x+6)/3)/2)+x/4)/33-((5(x-3)-4x+11)/22)=-(x/4-((3(x-4))/2)/6+5)/66$ Antonio Bernardo
5. 5. $(2x-5)/6+3(2x+)/2-(2x-2)/4 = (x-1)/3-1$ Antonio Bernardo
6. 6. $(7x-18)/10-1/5-(2x+1)/20=-7/10-(5x-4)/4$ Antonio Bernardo
7. 7. Come si risolvono i problemi con le equazioni Antonio Bernardo