Question

a,bc + ab,c =21,12. tìm abc

Answer 1

a,bc+ab,c=21.12

abc/100+abc/10=21.12

abc*1/100+abc*10/100=21.12

abc*11/100=21.12

abc*11=21.12*100

abc*11=2112

abc=2112/11

abc=192