如题所述
35x25
=(30+5)x(30-5)
=900-25
=875
å¦æ帮å©è¯·é纳ï¼
å¦å¯¹æ¬é¢æçé®å¯è¿½é®ï¼Good luck!
=(30+5)x(30-5)
=900-25
=875
å¦æ帮å©è¯·é纳ï¼
å¦å¯¹æ¬é¢æçé®å¯è¿½é®ï¼Good luck!
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