А=(8,5+9 2/3)×60/109 и b=13 7/15+11,8)×300/370

Question

А=(8,5+9 2/3)×60/109 и b=13 7/15+11,8)×300/370

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Answer 1

A=(17/2+29/3)*60/109=(51/6+58/6)*60/109=109/6*60/109=10
b= (202/15+59/5)*300/379=(202/15+177/15)*300/379=379/15*300/379=20

Comments

спасибо большое