Răspuns :
6)
a) Cand a = 724, atunci b= 1724 si a -b =448 (Fals)
1 000 - 724 = 276 ( b)
724 - 276 = 448 → diferenta
b) Cand a= 2014, atunci b= 369 si a+b = 1 645 (Fals)
2014 - 1645= 369 ( b)
2014+ 369 = 2383 → suma
c) Cand a=724, atunci b=276; a-b = 1724 (Fals)
d) Cand a=2 014, atunci b=369 si a+b=2 383 (Adevarat)
a) Cand a = 724, atunci b= 1724 si a -b =448 (Fals)
1 000 - 724 = 276 ( b)
724 - 276 = 448 → diferenta
b) Cand a= 2014, atunci b= 369 si a+b = 1 645 (Fals)
2014 - 1645= 369 ( b)
2014+ 369 = 2383 → suma
c) Cand a=724, atunci b=276; a-b = 1724 (Fals)
d) Cand a=2 014, atunci b=369 si a+b=2 383 (Adevarat)