(7-0,65)*6,5+9,9

(1,2:36+1,2:0,25-1 5/10:1)6324

(7-0,65)*6,5+9,9=6,35*6,5+9,9=41,275+9,9=51,175

(1,2:36+1,2:0,25-1 5/10:1)6324=(75,6/36+75,6/0,25-94,5)/24=

(210)/24=8,75

1)(7-0,65)*6,5+9,9=6,35*6,5+9,9=41,275+9,9=51,175

2)(1,2:36+1,2:0,25-1 5/10:1)6324=(1/30+4,8-1,5)*63/24=100/30*63/24=35/4