Question

果園里有梨樹(shù)400棵，桃樹(shù)500棵，桃樹(shù)的棵數(shù)比梨樹(shù)多百分之幾？

Answer 1

解：（500-400）÷400，
=100÷400，
=25%；
答：桃樹(shù)的棵數(shù)比梨樹(shù)多25%．
分析：果園里有梨樹(shù)400棵，桃樹(shù)500棵，則桃樹(shù)比梨樹(shù)多500-400棵，根據(jù)分?jǐn)?shù)除法的意義，桃樹(shù)的棵數(shù)比梨樹(shù)多：（500-400）÷400．
點(diǎn)評(píng)：完成本題要注意單位“1”的確定，將梨樹(shù)的棵數(shù)當(dāng)作單位“1”．