gre的一道数学题：
the difference between 2 num bers,each of which is beween 3 and 4.the sum of 2 numbers,each of which is between 1 and 2
再补充一道题 cube C has 8 cubic centimeters.然后比较 the area of one of the faces of cube C和3 square centimeters的大小 上面一题也是比较大小！