In two thirds, three quarters, four fifths, five sixths and six sevens, what is the ratio of the minimum to the maximum?

In two thirds, three quarters, four fifths, five sixths and six sevens, what is the ratio of the minimum to the maximum?

The minimum is 2 / 3 and the maximum is 6 / 7
2/3:6/7=7:9

Negative two thirds, three quarters, negative four fifths, five sixths, negative six sevens, what is the number 100 and what is the number 2015

Change rule: add 1 to the numerator and denominator at the same time, the odd number is negative, and the even number is positive
The 100th number is 101 / 102
The number of 2015 is - 2016 of negative 2017
It can be seen as the 2n + 1 power of (- 1) × {(1 + n) / (2 + n)}
N represents the number of terms, the first half represents positive and negative, followed by the law of change

If a plus three quarters equals B plus four fifths equals C plus five sixths, then the largest number in ABC

First compare the size of three quarters, four fifths and five sixths. It can be seen that five sixths > four fifths > three quarters. So a > b > C

It is known that three fourths of a is equal to four fifths of a, B is equal to five sixths of C, and a, B, C are not zero

Because 3 / 4C