Question

Calculati: axb+bxc ax(b-c) (a-b)xc bx(a+c axb-axc axc-bxc daca a=249 b=86 c=7

Answer 1

rezolvarea in poza:))

Answer 2

a*b=21414+602=22016 a*(b-c)=249*79=19671 (a-b)*c=249-86*7=353 b*(a+c)=86*256=22016 a*c-b*c=21414-1743=19671 a*c-b*c=1743-602=1141