Question

Puteti sa ma ajutati va rog frumos la aceste exercitii :
1/2+√2/2-√3/2= ?
2*1/2+5*1/2+3*1= ?
2*√3/2-2*√3/2+5*√3/2-5*1/2= ?

Answer 1

1/2+√2/2-√3/2=(1+√2+√3)/2
2*1/2+5*1/2+3*1=2/2+5/2+6/2=(2+5+6)/2=13/2
2*√3/2-2*√3/2+5*√3/2-5*1/2=(5√3-5)/2

Answer 2

Mult succes în continuare!