Твой олимпийский учебник. ФиС, 2005 г.

$12.6

$2.52

$110

$20

$1.75

$1.26

$40

$5.68

$13.88

$9.46

$37.85

$60

$1.54

$20

$0.82

$23.23

$7.56

$2.78