707 + 1,818

(a)  

4/6 + 3/6

(a)  

505 divided by 1

(a)  

(a)   = 4,500 + 600

72 shared between 9

(a)  

167 x 4

(a)  

4,912 - 824

(a)  

62/100 subtract 38/100

(a)  

9 - 3.45 =

(a)