Question

松樹(shù)比柏樹(shù)的棵數(shù)多

1

5

，那么柏樹(shù)比松樹(shù)少

1

6

√

．

Answer 1

分析：由“松樹(shù)比柏樹(shù)的棵數(shù)多

1

5

，”知道把柏樹(shù)的棵樹(shù)看做單位“1”，即松樹(shù)比柏樹(shù)多的棵數(shù)=單位“1”×

1

5

，松樹(shù)的棵數(shù)是（1+

1

5

）；由“柏樹(shù)比松樹(shù)少

1

6

”．知道是把松樹(shù)的棵數(shù)看做單位“1“，即柏樹(shù)比松樹(shù)少的占松樹(shù)的幾分之幾，由此列式解答即可．

解答：解：松樹(shù)比柏樹(shù)多的棵數(shù)：1×

1

5

=

1

5

，
松樹(shù)的棵數(shù)是：1+

1

5

=

6

5

；

1

5

÷

6

5

=

1

6

．
故此題判斷正確．

點(diǎn)評(píng)：這種類(lèi)型的題目屬于分?jǐn)?shù)乘除應(yīng)用題的綜合應(yīng)用，只要找清單位“1”，利用基本數(shù)量關(guān)系解決問(wèn)題．