Question

решите с действиями 2 13/16 - 2 2/9=

Answer 1

45/16 -20/9 = (9*45 - 20*16)/ 144 = (405 - 320)/144 =85/144

Answer 2

45/16 -20/9 = (9*45 - 20*16)/ 144 = (405 - 320)/144 =85/144 Вот както так...

Answer 3

$frac{2*16+13}{16}- frac{2*9+2}{9}= frac{45}{16}- frac{20}{9}= frac{45*9-20*16}{144}= frac{85}{144}$