Răspuns:
11.23
Explicație pas cu pas:
1) √3=1.73205081 ≈ 1.73
2) √7=2.64575131≈ 2.65
3) 2.65-1.73=0.92
4) 12:0.92=13.0434783≈13.04
5) 14:2.65=5.28301887≈5.28
6) 6:1.73=3.46820809≈3.47
7) 13.04-5.28=7.76
8) 7.76+3.47=11.23
