Question

Daca a+b+c=519 si b+c=119, atunci calculati :
a) a-(b+c) ; b+c-19; a+b+c-500
Va rog ajutati-ma dau coroana

Answer 1

$a+b+c=519 \\ b+c=119 \\ 119+a=519 \\ a=519-119 \\ a=400 \\ a) a-(b+c)=400-119=281 \\ b)a+b+c-500=519-500=19$

Answer 2

cu placere! :)
toata rezolvarea am facut.o pe caiet si i.am facut poza