Question

Найдите значение выражения 3 7/18 х - 1 11/15х + 12 31/90 при х = 1 121/149.

Answer 1

3 7/18 *1 121/149   - 1 11/151 *121/149 + 12 31/90 =

 =(3 7/18-1 11/151)*121/149+ 12 31/90 =

 =(3 10572718 - 1 1982718)*121/149+ 12 31/90 =

= 2 8592718*121149+ 12 31/90 =

= 6295 2718 * 121149+ 12 31/90 =

=  7616954044982+12 3190