7 783 ¯ ¯¯ ¯ ¯ = 9 ÷ 819 = 3 ÷ 702 1¯ = 2 ÷ 84 4 863 ï ,2 6 1304 5 622 ?¯ ¯ ¯ ,ï ¯ ¯ 791 3 ?4 ï ¯, ¯4 ¯ ¯ ¯ ?8 ÷ 746 ¯ ¯ 9 ÷ 746 5 2 507 ?¯ 6 105