Question

直接寫出得數(shù) 1 4 + 2 5 =	1 3 - 1 4 =	12× 3 4 =	4 7 ÷2=
2 7 × 7 8 =	25÷ 10 11 =	2 3 × 7 8 =	0× 2 13 =
3 10 ÷ 10 3 =	8 9 ÷ 8 3 =	5 7 ÷1=	5× 6 7 ÷5× 6 7 =

Answer 1

考點(diǎn)：分?jǐn)?shù)的加法和減法,分?jǐn)?shù)乘法,分?jǐn)?shù)除法

專題：計(jì)算題

分析：根據(jù)分?jǐn)?shù)四則運(yùn)算的計(jì)算法則進(jìn)行計(jì)算即可，5×

6

7

÷5×

6

7

可運(yùn)用乘法交換律簡算．

解答： 解：

1 4 + 2 5 = 13 20	1 3 - 1 4 = 1 12	12× 3 4 =9	4 7 ÷2= 2 7
2 7 × 7 8 = 1 4	25÷ 10 11 =27.5	2 3 × 7 8 = 7 12	0× 2 13 =0
3 10 ÷ 10 3 = 9 100	8 9 ÷ 8 3 = 1 3	5 7 ÷1= 5 7	5× 6 7 ÷5× 6 7 = 36 49

點(diǎn)評(píng)：此題考查了分?jǐn)?shù)四則運(yùn)算的計(jì)算法則的運(yùn)用．