Răspunsuri

2014-08-25T11:17:07+03:00
(a+12)*3 =177

a+12=177:3

a+12=59

a=59-12

a=47
16 4 16
2014-08-25T11:23:42+03:00
177:3=59 rezultatul de dinaintea maririi
x-12-numarul dinaintea maririi
x-+2=59
x=59-12
x=47
6 4 6