ա.9/4=3/2 բ.16/9=4/3 դ.25/16=5/4 գ.49/9=7/3 501. 30, 80, 900, 500, 4000 b. 0,08, 0,008, 0,003,0,0004, 0,000002 g. 16, 27, 14, 25, 17,19

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