Respuesta :

rrattan223721

Answer:

A=132

Step-by-step explanation:

A=ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=3·10+4·10+5·10+1

2·﹣34+2·(3·4)2+2·(3·5)2﹣44+2·(4·5)2﹣54=132