Question

Efectuati calculul :
a)2√3+3(7√3-5√3)-√108
b)3√5+2(8√5-6√5)-√80
c)2(3√5-4√5)-(11√5-7√5)
d)3(5√2-6√2)-(13√2-8√2) .....dau coroana

Answer 1

ai rezolvarea in imagine