0,4*40= 4/10*40= 4*4= 16
0,8*5= 8/10*5= 4/5*5= 4
0,3*25= 3/10*25= 3/2*5= 7,5
(5,3+1,4)*3= 6,7*3= 20,1
0,4*40= 4/10*40= 4*4= 16
0,8*5= 8/10*5= 4/5*5= 4
0,3*25= 3/10*25= 3/2*5= 7,5
(5,3+1,4)*3= 6,7*3= 20,1
0,8*5=4
0,3*25=7,5
(5,3+1,4)*3=6,7*3=20,1