用简便方法计算四年级58x199十58
ç¨ç®ä¾¿æ¹æ³è®¡ç®å年级58x199å58
58x199å58
=58*ï¼199+1ï¼
=58*200
=11600
58x199å58
=58*ï¼199+1ï¼
=58*200
=11600
温馨提示:答案为网友推荐,仅供参考
第1个回答 2016-03-27
=58x(199+1)
=58x200
=11600
=58x200
=11600