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gaseste cifrele a,b,c si d , asfel in cat a2b7+3c2d=7321

Răspuns :

4297+3024=7321
a=4
b=9
c=0
d=4
1000a+200+10b+7+3000+100c+20+d=7321
1000a+10b+100c+d=7321-3000-200-20
1000a+10b+100c+d=4101 => a=4, b=0, c=1, d=1

Sper ca te-am ajutat! :)))))))))