ADD: 61+43+28

(a)  

SUBTRACT: 64 - 27 =

(a)  

SUBTRACT: 603 - 211 =

(a)  

MULTIPLY: 208 x 80 =

(a)  

MULTIPLY: 136 x 25 =

(a)  

Multiply: 28 x 6 =

(a)  

DIVIDE:

(a)  

DIVIDE:

(a)  

DIVIDE:

(a)