Question

Вычислите:
911*45*5572
12*310*56
78*828*45

Answer 1

9/11*4/5*55/72=4/5*5/8=1/2
1/2*3/10*5/6=1/2*1/2*1/2=1/8
7/8*8/28*4/5=1/4*4/5=1/5