👤

efectuează produsul XxY daca:

a) x=4/5x6/7x8/9x.....x18/19
y=5/6x7/8x9/10x....x19/20

b) x=8/5x12/7x16/9x....x36/19
y=10/6x14/8x18/10x...x38/20

va rog ajutor!!!​