Question

Найдите произведение а) 3/8x8/3 б) 1/6x6 в) 8/9x9/10x9/8 г) 2x3x4x1/2x1/3x1/4

Answer 1

3/8•8/3=1;
1/6•6=1;
8/9•9/10•9/8=9/10;
2•3•4•1/2•1/3•1/4=1.