How many times how many times how many is equal to how many plus how many plus how many. These six numbers are required to be the same number

How many times how many times how many is equal to how many plus how many plus how many. These six numbers are required to be the same number


0 times 0 times 0 equals 0 plus 0 plus 0



Compare the size; - 2 / 1a and - 3 / 1a


There are three cases
a> 0, the latter is larger
a



(1a-1 / 4) times (1a + 1 / 4)


(1a-1 / 4) times (1a + 1 / 4) = 1 / 16 * a ^ 2-1