Question

8．當(dāng)a＞8，$\frac{8}{a}$是真分?jǐn)?shù)；當(dāng)a≤8，$\frac{8}{a}$是假分?jǐn)?shù)．

Answer 1

分析 真分?jǐn)?shù)是指分子小于分母的分?jǐn)?shù)；假分?jǐn)?shù)是指分子等于或大于分母的分?jǐn)?shù)；據(jù)此寫出符合條件的分?jǐn)?shù)即可．

解答 解：分?jǐn)?shù)$\frac{8}{a}$，當(dāng)a＞8時(shí)它是真分?jǐn)?shù)，當(dāng)a≤8時(shí)它是假分?jǐn)?shù)．
故答案為：＞8，≤8．

點(diǎn)評(píng) 此題考查真分?jǐn)?shù)和假分?jǐn)?shù)的意義及靈活運(yùn)用．