309.1)
(2000 - 1993) (1011 - 789)
(2008 - 1989) · (139 + 83)
;
2)
(1002 - 997). (1233 - 678)
(1111 - 1082)(477 + 78)
(2000 - 1993) (1011 - 789)
(2008 - 1989) · (139 + 83)
;
2)
(1002 - 997). (1233 - 678)
(1111 - 1082)(477 + 78)
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Ответ:
1) (7×222)/(19×222)=7/9
2) (5×555)/(29×555)=5/29