(-3 целых 9/25) * 1 целая 17/63 + 1 целая 19/45 * 1 целая 3/32 решите

        = - 2 32/45

1)   -3 9/25 * 1 17/63= - 84/25 * 80/63= - 4 4/15
2)   1 19/45 * 1 3/32=64/45 * 35/32=14/9=1 5/9
3)   - 4 4/15+1 5/9= - 4 12/45+1 25/45= - 2 32/45