| a-2|+ |b-3 |+ |c-4| =0,则a+2b+3c=

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| a-2|+ |b-3 |+ |c-4| =0,则a+2b+3c=
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| a-2|+ |b-3 |+ |c-4| =0,则a+2b+3c=
| a-2|+ |b-3 |+ |c-4| =0,则a+2b+3c=

| a-2|+ |b-3 |+ |c-4| =0,则a+2b+3c=
a+2b+3c= 20