6 целых 3/7a+1 целая 1/2a при a= 14

Question

6 целых 3/7a+1 целая 1/2a при a= 14

Answer 1

(6+3/7)*а + (1+1/2)*а    при а = 14
(6*7+3)а/7 + (1*2+1)а/2 = 45а/7 + 3а/2 = 90а/14 + 21а/14 = 111а/14= при а =14 = (111*14)/14 = 111