CONGRUENCE 95 —16] 223 5 < % 21 g e g 2} 2 __70|—16|—1 i 52 =70 A || & 54[70[1 54 16| s4f4 64 —10] 16|=2 20 —4|-10p2 el =242 —4 0 The last scheme is sufficient if the work of division can be carried in the head. . The work can evidently be made as long as we please by properly choosing the quotients. In general the work will be