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The people's education press has known that a = a + the quadratic power of a + the cubic power of a +. + the 100th power of A (1) When a = 1, find the value of the second power of A (2) When a = - 1, find the value of A (3) When the absolute value of a = 0, find the value of the sixth power of a + half the second power of a + 7
(1) The original formula = (1 + 1 + 1 + 1 +... + 1) is quadratic
=The second power of 100
=10000
(2) The original formula = - 1 + 1 + - 1 + 1 +... + - 1 + 1
=0
（3）∵|a|=0
∴a=0
Original formula = 0 + 0 + 7
=7
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