Question

1

12

+

1

4

=______
3.5+6

1

2

=______
2-

6

7

=______

4

5

-

8

15

=______

1

4

-

1

5

=______

1

2

-

2

5

=______
0.2-

1

6

=______
0.3+

1

3

=______

3

4

×4=______

5

6

×

8

15

=______

3

16

×

4

9

______
15×1

2

3

=______

7

24

×

3

4

=______
0÷

3

5

=______
24÷

3

4

=______

2

5

÷

1

2

=______

5

18

÷1

2

3

=______

8

9

÷

3

8

=______

5

8

÷

2

3

=______
9+

2

9

=______
12π=______
0.4×3.14=______
0.9²=______
2.5×3.4=______
28÷

2

3

=______．

Answer 1

1

12

+

1

4

=

1

3

3.5+6

1

2

=10 2-

6

7

=1

1

7

4

5

-

8

15

=

4

15

1

4

-

1

5

=

1

20

1

2

-

2

5

=

1

10

0.2-

1

6

=

1

30

0.3+

1

3

=

19

30

3

4

×4=3

5

6

×

8

15

=

4

9

3

16

×

4

9

1

12

15×1

2

3

=25

7

24

×

3

4

=

7

32

0÷

3

5

=0 24÷

3

4

=32

2

5

÷

1

2

=

4

5

5

18

÷1

2

3

=

1

6

8

9

÷

3

8

=2

10

27

5

8

÷

2

3

=

15

16

9+

2

9

=9

2

9

12π=37.68 0.4×3.14=1.256 0.9²=0.81 2.5×3.4=8.5 28÷

2

3

=42．