Răspunsuri

2014-09-23T11:05:58+03:00
673-32+146-(62/a+12)-55=689, 673-32+146-(62/a+12)=689+55=744
673-32+146-62/a-12=744
775-62/a=744
775-744=62/a
31=62/a
a=2
de ce ai schimbat semnul de la 12 si la-i trecut cu minus
2014-09-23T12:24:17+03:00
673-32+146-(62a+12)-55=689  ,673-32+146-50-55=689   ,641+146+50-55=689  ,787+50-55=689  ,837-55=782