exercițiul 5.
123.231+12.520=135.841
123.231+14.324=137.645
123.321+120.200=243.521
123.321+322.140=445.461
exercițiul 6 .
124.320+232.120=356.440
124.320+143.250=267.570
124.320+205.311=329.631
124.320+112.001=236.321
