Question

5 si 6 va roooog. dau cat de multe puncte pot si coroana

Answer 1

deci sunt de 9/2 mai multi elevi neolimpici decat olimpici

4×9/2 = 2×9 = 18, 

in total sunt 18 + 4 = 22 de elevi

6.
4x/5=1,5[(0,1(6)x/5+1 1/9]

0,1(6)=(16-1)/90=15/90=3/18=1/6

45/5=1,5[1/6/5+10/9]
4x/5=1,5[33/1000+10/9)
4x/5=1,5{297/9000+1010/9000)
4x×10×9000=15×5×1307
x=(15×1307)/8×9000

x=27/100∈Q