Question

3 целых 4/9 × 4 целых 3/4 - 3 целых 4/9 × 2 целых 1/2=...

Answer 1

3 4/9*4 3/4-3 4/9*2 1/2= 31/9*19/4-31/9*5/2= (31*19)/36 - (31*5)/18 = (589-155)/36= 434/36= 12 2/36=12 1/18