@ @@@óáÕÜa@óïÝibÔ 3 100 4 () 5 3 7 2 .4 x +1 .x . 3× 4× 5 = 60 ) x = 59 . ( x < 100 59 .3 7 5 7300004003 () 7300004003 . 7300004003 = 7300004000 + 3 7300004000 5 5 .3 x 739y () . 36 .y =6 y =2 36 x 739y .9 4 9y .4 ٦