Question

в)(1/2*3/4)*(2/3*4/5)*(5/6*7/6)*(6/7*8/9)=? "/"-дробная черта

Answer 1

(1/2*3/4)*(2/3*4/5)*(5/6*7/6)*(6/7*8/9)=3/8*8/15*35/36*48*63=1/3*4/9=4/27