Question

直接寫得數(shù)．

8 9 ÷2=	3 5 ×20=	3 8 ÷ 3 2 =	3 16 × 8 9 =	2 3 - 1 4 =
4÷ 1 3 + 1 9 =	0.9-0.27-33%﹦	2÷ 1 3 ×6=	1 3 ×4÷ 1 3 ×4=	9 10 ÷ 3 5 =

Answer 1

考點(diǎn)：分?jǐn)?shù)除法,分?jǐn)?shù)乘法,分?jǐn)?shù)的四則混合運(yùn)算

專題：計(jì)算題

分析：根據(jù)小數(shù)和分?jǐn)?shù)的加減乘除計(jì)算方法計(jì)算即可，其中0.9-0.27-33%根據(jù)減法的性質(zhì)簡算，

1

3

×4÷

1

3

×4變?yōu)?span id="zlwbuvs" class="MathJye" mathtag="math" style="whiteSpace:nowrap;wordSpacing:normal;wordWrap:normal">

1

3

÷

1

3

×4×4簡算．

解答：

解： 8 9 ÷2= 4 9	3 5 ×20=12	3 8 ÷ 3 2 = 1 4	3 16 × 8 9 = 1 6	2 3 - 1 4 = 5 12
4÷ 1 3 + 1 9 =12 1 9	0.9-0.27-33%﹦0.3	2÷ 1 3 ×6=36	1 3 ×4÷ 1 3 ×4=16	9 10 ÷ 3 5 = 3 2

點(diǎn)評：本題考查了小數(shù)和分?jǐn)?shù)的加減乘除的口算，屬于基礎(chǔ)題，要注意計(jì)算的準(zhǔn)確性和靈活性．