It is known that a and B are opposite to each other, and a ≠ 0, CD is reciprocal to each other. The absolute value of M is the smallest positive integer. Find the value of a of M-B + 2013 (a + D) - CD | Math enthusiast | Mathematical art

It is known that a and B are opposite to each other, and a ≠ 0, CD is reciprocal to each other. The absolute value of M is the smallest positive integer. Find the value of a of M-B + 2013 (a + D) - CD

m=±1,a/b=-1,a+b=0,cd=1
When m = 1, the original formula is 1 + 1 + 0-1 = 1
When m = - 1, the original formula = - 1 + 1 + 0-1 = - 1
To sum up, the original formula is equal to 1 or - 1

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