Răspunsuri

2014-10-07T16:03:55+03:00
Daca a+b=325 si c+d=137,atunci calculati:
a) a+b+c+d
b) a+b-c-d
 
a+b+c+d=325+137
a+b+c+d=462
 a+b-c-d=a+b-(c+d)=325-137=188
1 5 1
2014-10-07T16:04:41+03:00
A)stim ca a+b=325 si ca c+d=136
=> 325+137=462
b)a+b=325 si c+d=136
a+b-c-d=a+b-(c+d)=325-137=188
1 4 1