Page 2 - HA-7
P. 2

1-Which of the following will be the sum of    +      ?



               a)


               b)


               c)



               d)


               2-Which of the following will be the sum of      +      ?



               a)


               b)



               c)


               d)




               3- Which of the following will be the difference between    -     ?


               a)


               b)



               c)



               d)


               4-Which of the following will be the difference between    -   ?


               a)



               b)


               c)
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