Question

直接寫(xiě)得數(shù) 2 7 ×5=	1- 1 5 + 4 5 =	1 3 ×3× 1 3 =	1 4 × 2 5 =
32× 4 5 ×25=	1-2÷3=	1 3 ×0=	1.8× 1 6 =

Answer 1

考點(diǎn)：分?jǐn)?shù)乘法

專(zhuān)題：運(yùn)算順序及法則

分析：運(yùn)用分?jǐn)?shù)的乘除法的計(jì)算法則進(jìn)行計(jì)算即可，注意用分?jǐn)?shù)作為計(jì)算的結(jié)果，把分?jǐn)?shù)化成最簡(jiǎn)分?jǐn)?shù)．

解答：

解： 2 7 ×5= 10 7	1- 1 5 + 4 5 = 8 5	1 3 ×3× 1 3 = 1 3	1 4 × 2 5 = 1 10
32× 4 5 ×25=640	1-2÷3= 1 3	1 3 ×0=0	1.8× 1 6 =0.3

點(diǎn)評(píng)：本題考查了分?jǐn)?shù)的乘除法的計(jì)算法則，考查了分?jǐn)?shù)的化簡(jiǎn)．