Răspuns:
a = 7 + 3*2^0
a = 7 + 3*1
a = 10
b = 6 + 7*4^-1
b = 6 + 7/4
b = (24+7)/4
b = 31/4
a/b = 10 : 31/4 =
= 10 * 4/31 =
= 40/31