Question

看誰算得又對(duì)又快

130×7=	2.5÷0.5=	1.25×8=	4 7 ×7÷ 4 7 ×7=
0.9- 3 5 =	43÷10%=	1.5×0.6=	5-4÷ 4 5 =
0.32+3.2=	1.4÷0.2=	33÷ 11 10 =	2-1.75=
2 3 + 1 2 =	8 9 × 3 4 =	4 5 + 1 6 + 1 5 =	2 3 ÷2=

Answer 1

考點(diǎn)：小數(shù)除法,分?jǐn)?shù)的加法和減法

專題：運(yùn)算順序及法則

分析：根據(jù)四則運(yùn)算的計(jì)算法則計(jì)算即可求解．

解答： 解：
130×7=910       2.5÷0.5=5        1.25×8=10     

4

7

×7÷

4

7

×7=49
0.9-

3

5

=0.3        43÷10%=430      1.5×0.6=0.9    5-4÷

4

5

=0
0.32+3.2=3.52    1.4÷0.2=7        33÷

11

10

=30       2-1.75=0.25

2

3

+

1

2

=

7

6

          

8

9

×

3

4

=

2

3

          

4

5

+

1

6

+

1

5

=

7

6

      

2

3

÷2=

1

3

點(diǎn)評(píng)：考查了四則運(yùn)算，關(guān)鍵是熟練掌握計(jì)算法則正確進(jìn)行計(jì)算．