Page 18 - tmp_Neat

3
3
70=a .r -a =a .( ½ ) -a /(1/2)-1
1 1 1 1
-7a /8/-½=2701/8=14a

1 1
70=14a /8
1

14a =560
1
a =560/14=40
1
a =a =40

1 1
a =a . r=40.½=20
2 1

a =10
3