如题所述
99x2+33x34
=33Ã3Ã2+33Ã34
=33Ãï¼6+34ï¼
=33Ã40
=ï¼30+3ï¼Ã40
=1200+120
=1320
=33Ã3Ã2+33Ã34
=33Ãï¼6+34ï¼
=33Ã40
=ï¼30+3ï¼Ã40
=1200+120
=1320
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第1个回答 2014-06-06
99×2+33×34
=33×6+33×34
=33×40
=1320
望采纳,谢谢!
=33×6+33×34
=33×40
=1320
望采纳,谢谢!