16-a^2/a^2+8a+16÷a-4/2a+8×a-2/a+2
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16-a^2/a^2+8a+16÷a-4/2a+8×a-2/a+2
16-a^2/a^2+8a+16÷a-4/2a+8×a-2/a+2
16-a^2/a^2+8a+16÷a-4/2a+8×a-2/a+2
(16-a^2)/(a^2+8a+16)÷(a-4)/(2a+8)×(a-2)/(a+2)
=(4+a)(4-a)/(a+4)^2×(2a+8)/(a-4)×(a-2)/(a+2)
=(4-a)/(a+4)×2(a+4)/(a-4)×(a-2)/(a+2)
=-2×(a-2)/(a+2)
=-2(a-2)/(a+2)
(1-16a×a×a×a)÷(4a×a+1)÷(2a+1)²
(1-16a×a×a×a)÷(4a×a+1)÷(2a+1)
分式的乘除:16-a平方/a平方+8a+16÷a-4/2a+8乘a-2/a+281-a平方/a平方+6a+9÷a-9/2a+6乘a+3/a+9
16-a^2/a^2+8a+16÷a-4/2a+8×a-2/a+2
计算16-a²/a²+8a+16÷a-4/2a+8×a-2/a+2
16-a² /a²+8a+16÷a-4/2a+8×a-2/a+2
a²-16/a²+2a-8÷(a-2)·a²+4-4a/a-2
计算16-a² /a²+8a+16÷a-4/2a+8
a的平方-16/的平方+2a-8÷(a-4)×a的平方-4a/2-a
a的平方-16/的平方+2a-8÷(a-4)×a的平方-4a/2-a
16-a^2/a^2+8a+16 除以 a-4/2a+8 乘以 a-2/a+2
计算:16-a²/a²+8a+16÷a-4/2a+8;81-a²/a²+6a+9÷9-a/2a+6·1/a+9.
(a+1/a)(a^2+1/a^2)(a^4+1/a^4)(a^8+1/a^8)(a^16+1/a^16)(a^32+1/a^32)(a^2-1)
计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8
((a-2)/(a+4))×((a²+8a+16)/4a²)
(a^2-16)/(a^2+8a+16)÷(1-4/a)
(a^2-16)/(a^2+8a+16)÷(1-4/a)
(a^-16)/(a^2+8a+16)÷[1-(4/a)]