Răspuns:
a = (7 radical 2 - 10 radical 2 +4 radical2) :1/radical2 = Radical 2x radical 2 = 2
a = 2
b= (7/radical3 + 3/2 radical3 + 3radical3/18)xradical3/3 =
(7 radical3/33radical 3/6 +3 radical3/18)xradical3/3 =
3radical3xradical3/3 =3
b=3
(a+b)la puterea 2020 = 5 la puterea 2020
Explicație pas cu pas:
