Question

Calculați : a) 1/3-1/4:5/12 b) 0,75: 0,25-3 c) (1+ radical din 5 )² +( 1- radical din 5)² d) 2 radical 48 - radical 27 +5 radical 12​

Answer 1

Răspuns:

a) $-\frac{4}{15}$

b) $0$

c) $12$

d) $15\sqrt{3}$