484/100 × (3/99)² + 3/4 : ( 37/1 × 3/4 - 55/10 × 9/2)=
121/25 × (1/33)² + 3/4 :( 111/4 - 11/2 × 9/2)=
121/25 × 1/33² + 3/4 :( 111/4 -99/4)=
121/25×33² + 3/4 :(111-99)/4=
121/25×1089 + 3/4 × 4/2=
1/25×9 + 3/4 ×2/1=
1/225 + 6/4=
1/225 + 3/2=
2×(1/225) + 225×(3/2)=
2/450 + 675/450=
(2+675)/450=
677/450
