2)75 ani+4 secole
75+400=475 ani
59 luni-3 ani=
59-36=23 ani
3 milenii+250 ani=
3000+250=3250 ani
13luni+6 luni-x=1 an
19 luni-x=1an
19-7=12 luni=1 an
1600ani-x+1 mil=2 mil
x=1600+1mil
x=2600
1600-2600+1000=2000ani
exercitiul 3
2sapt+3 luni+x sapt=9 luni
9 luni=9x4=36 saptamani
2 sapt+12 sapt+x sapt=36 sapt
14+x=36
x=36-14=22 saptamani
16 sec+340 dec=
1600 ani+3400 ani=5000 ani
7 sec+23 dec=
700 ani+230 ani=930ani
