If a, b, c are rational numbers and a is divided by the absolute value of a +b by the absolute value of b +c by the absolute value of c =1, then abc is divided by ab

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Given a =25, b =-3, what is the last digit of the 99th power of a +100th power of b?

The last digit of the 99th power of a is 5
The last digit of the 100th power of b is 1
The last digit of the 99th power of a + the 100th power of b is 6

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1. ABC is less than 0, A+B+C is greater than 0, X=A divided by the absolute value of A +B divided by the absolute value of B +C divided by the absolute value of C, find the third power of X - the second power of X multiplied by 2+3X+5
2. A, b, c are known to be nonzero rational numbers, and the maximum value of the absolute value of a is m Is m, the minimum value is n, and find the value of m+n+1 power of 2012 A, b, c are known to be nonzero rational numbers, and the maximum value of the absolute value of a + b + b + c + c + abc + abc + abc is m Is m, the minimum value is n, find the value of m+n+1 power of 2012 A, b, c are known to be nonzero rational numbers, and the maximum value of the absolute value of a divided by a + b divided by b + c divided by c + abc divided by abc divided by abc is m Is m, the minimum value is n, find the value of m+n+1 power of 2012
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19. If the sum of two rational numbers is less than each addend, then the two numbers must be positive. 4. One is negative 2. If the sum of two rational numbers is negative, then the number must be () 1. Both are positive numbers 2. Both are negative numbers 3. One is positive and one is negative.4. At least one is negative The addition step of rational number is: the first step is to determine the __________ of sum, and the second step is to determine the __________ of sum
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