Question

楊樹(shù)有423棵，柳樹(shù)有245棵，柳樹(shù)比楊樹(shù)少多少棵？正確列式是（　�。�

A．423-245

B．423+245

C．423-254

Answer 1

分析：依據(jù)柳樹(shù)比楊樹(shù)少的棵數(shù)=楊樹(shù)棵數(shù)-柳樹(shù)棵數(shù)即可解答．

解答：解：423-245=178（棵），
答：柳樹(shù)比楊樹(shù)少178棵．
故選：C．

點(diǎn)評(píng)：本題屬于比較簡(jiǎn)單應(yīng)用題，只要依據(jù)數(shù)量間的等量關(guān)系，代入數(shù)據(jù)即可解答．