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a fost răspuns

inlocuieste pe "m" si "n" cu cifrele potrivite
5n8+1n9=n5n
62n+5mn+20m=1m6n

Răspuns :

528+129=657
622+5m1+203=1m66
622+541+203=1366
a)500+10n+8+100+10n+9=100n+50+n
508+20n+109=101n+50
617+20n=101n+50
567=81n=>n=7
b)600+20+n+500+10m+n+200+m=1000+100m+60+n
 680+2n+11m+700=1060+100m+n
1380+n+11m=1060+100m
320=89m-n
Asta nu mi-a iesit.

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