1. It is known that | A-2 | and (B + 1) quadratic are opposite to each other. Find the a power of (1) B and the third power of (2) a + the fifteenth power of B 2. If a, B and C represent the number in the hundreds, tens and ones of a three digit number respectively, then the three digit number can be expressed as_____ .

1. It is known that | A-2 | and (B + 1) quadratic are opposite to each other. Find the a power of (1) B and the third power of (2) a + the fifteenth power of B 2. If a, B and C represent the number in the hundreds, tens and ones of a three digit number respectively, then the three digit number can be expressed as_____ .

1. According to the meaning of the title
|a-2| +（b+1）²=0
a-2=0===》a=2
b+1=0===》b=-1
b^a=(-1)²=1
a^3+b^15=8-1=7
2、100a+10b+c

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