Question

直接寫得數(shù) 2- 1 7 =	1 3 × 3 10 =	20%÷ 1 2 =
1 3 ×30%=	3.5+1.5=	0.5× 1 2 =

Answer 1

分析：根據(jù)分?jǐn)?shù)加減法、分?jǐn)?shù)乘除法、小數(shù)加法和百分?jǐn)?shù)的運(yùn)算方法進(jìn)行計(jì)算即可得到答案．

解答：解：2-

1

7

=1

6

7

      

1

3

×

3

10

=

1

10

     

1

3

×

3

10

=0.1    

1

3

×30%=

1

10

       3.5+1.5=5         0.5×

1

2

=

1

4

點(diǎn)評(píng)：此題主要考查的是分?jǐn)?shù)加減法、分?jǐn)?shù)乘除法、小數(shù)加法和百分?jǐn)?shù)的計(jì)算方法．