8.3.1 г 10%, 6%. 200 . . ().
8.3.2 33 . , 30 . , 5%, 185 . . ?
8.3.3 800 . , 2%, 4%, 9%. ?
8.3.4 г 12%, 2%, 3%. 200 . . ().
8.3.5 27 . , 3 . , 6%, 200 . . ?
8.3.6 800 . , 2%, 4%, 9%. ?
8.3.7 10% . 5%. , 30 . .
8.3.8 12% . 6%. , 2 . .
:
30 . , 27 . , 6%, 180 . . ?
:
= 30 . . =
= 27 . . = (100 )
= 6% 100
=180 . . = ( ) 2,5
= 100%
=?
=
= 30 . 27 . = 3 . .
= 3 . 100% = 10%
30 .
= (10 6) 2,5 = 10%
= (100 10) 180 .=162 . .
= 180 . 162 . = 18 . .
³: 18 . .