Ajutor,vă rog frumos

Răspuns:
[tex]2/3*27=2*27:3=18\\\\1/4*40=10\\\\3/8*16=6\\\\5/6*42=35\\\\3/5*12=7,2\\\\2/7*20=40/7=5,714\\\\1/3*3/2=3/6=1/2=0,5\\\\3/4*8/9=2/3=0,(6)[/tex]