2:{2 -2:[4 -2:( 7/6 - 1/2 )+1/10] }
2:{2-2:[4-2:(7-3/6)+1/10]}
2:{2-2:[4-2:2/3+1/10]}
2:{2-2:[4-2×3/2+1/10]}
2:{2-2:[4-2×3/2+1/10]}
Se simplifica 2 cu 3/2
2:{2-2:[4-3+1/10]}
2:{2-2:[1+1/10]}
Amplifici cu 10 in paranteza patrata
2:{2-2:11/10)
2:{2-2×10/11)
2:{2-20/11)
2:2/11
2×11/2
Se duce doi cu doi si ramane 11
