Question

算一算． 8 9 ÷ 9 8 =	5 16 × 1 10 =	40÷ 5 7 =
7 9 × 3 14 =	4 13 ×130=	16 25 ÷ 4 5 =

Answer 1

考點(diǎn)：分?jǐn)?shù)除法,分?jǐn)?shù)乘法

專題：計(jì)算題

分析：根據(jù)分?jǐn)?shù)乘法、除法的計(jì)算法則，直接進(jìn)行口算即可．

解答： 解：

8 9 ÷ 9 8 = 64 81	5 16 × 1 10 = 1 32	40÷ 5 7 =56
7 9 × 3 14 = 1 6	4 13 ×130=40	16 25 ÷ 4 5 = 4 5 ．

點(diǎn)評(píng)：此題考查的目的是理解掌握分?jǐn)?shù)乘法、除法的計(jì)算法則，并且你正確熟練地進(jìn)行口算，提高口算能力．