Răspuns:
14 a + 10 rame =618/2
7 a + 24 rame = 632
= 7a+ 5 rame =309
7a+24 rame-7a-5 rame = 632-309=323
19 rame=323
1 rama = 323/19= 17
7a +5×17=309
7a=309-85=224 a=224/7=32=>
5×32+5×17=160+85=245
baftă
