Question

Раскройте скобки 4-(445-3)+(77-4)+(21+27)

Answer 1

4-445+3+77-4+21+27

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Answer 2

4-445+3+77-4+21+27=-441+3+77-4+21+27=-438+77-4+21+27=-361-4+21+27=-365+21+27=-344+27=-317