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567×789789-789×567567.

题目详情
567×789789-789×567567.
567×789789-789×567567. 567×789789-789×567567. 567×789789-789×567567. 567×789789-789×567567.
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答案和解析
567×789789-789×567567.
=567×789×1001-789×567×1001,
=0.
567×789789-789×567567.
=567×789×1001-789×567×1001,
=0. 567×789789-789×567567.
=567×789×1001-789×567×1001,
=0. 567×789789-789×567567.
=567×789×1001-789×567×1001,
=0. 567×789789-789×567567.
=567×789×1001-789×567×1001,
=0.