a)
1pe2 x 4 = 2pe1
3pe26 x 4 = 6pe13
2pe3 x 4 = 8pe3
1pe8 x 4 = 1pe2
3pe4 x 4 = 3
5pe6 x 4 = 20pe6
7pe12 x 4 = 7pe3
3pe26 x 4 = 3pe13
b)
2pe7x1pe4=2pe28
6pe11x1pe4=3pe22
1pe4x4pe5=1pe5
1pe4x16pe17=4pe17
1pe8x1pe4=1pe32
24pe25x1pe4=6pe25
22pe23x1pe4=11pe46
