Question

Выполните умножение 1) 3/4*5/12 2)1 5/7*6 1/8 3)6/17*51

Answer 1

3/4*5/12=3*5/4*12=1*5/4*4=5/8 5/7*6 1/8=5/7*49/8=5*7/1*8=30/8=3 3/4 6/17*51=6/17*51/1=6*51/17=6*3=18