676 + 190 =

(a)  

34.7 + 18.9 =

(a)  

5.6 + (a)   = 10

9450 - (a)   = 7000

8865 - 1998 =

(a)  

61.0 - 39.7 =

(a)  

20.4 - 19.8 =

(a)  

Double 740 =

(a)  

Double 2800 =

(a)  

Half of 8400 =

(a)  

Half of 6300 =

(a)  

Double 4500 + Half of 1900 =

(a)  

Half of 16.8 - Double 1.4 =

(a)  

4 x 90 =

(a)  

8 x 800 =

(a)  

19 x 23 =

(a)  

25 x 39 =

(a)  

Square of 9 is

(a)  

1010 is divisible by 2, __ and __.

(a)