如题所述
解: 666X667+222X999
=222X(3X667+999)
=222X(2001+999)
=222X3000
=666000
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第1个回答 2020-03-06
666*667+222*3*333=666*（667+333）=666000
第2个回答 2020-03-07
666x667X222x999
=666X667x222x3x333
=666X667x666x333
=666x(667+333)
=666x1000
=666000
=666X667x222x3x333
=666X667x666x333
=666x(667+333)
=666x1000
=666000
第3个回答 2020-03-06
666✘667+222✘999
=666x667+222x3x333
=666x667+666x333
=666x（667+333）
=666x1000
=666000
望采纳，谢谢
=666x667+222x3x333
=666x667+666x333
=666x（667+333）
=666x1000
=666000
望采纳，谢谢
第4个回答 2020-03-06
=666×667+222×3×333
=666×667+666×333
=666×(667+333)
=666×1000
=666000
=666×667+666×333
=666×(667+333)
=666×1000
=666000
