Question

计算:(1)2005^2-2*2005*2006+2006^2 (2)92^2+92*16+8^2

Answer 1

(1)2005^2-2*2005*2006+2006^2

=(2006-2005)^2

=1^2

=1

(2)92^2+92*16+8^2

=92^2+2*92*8+8^2

=(92+8)^2

=100^2

=10000