观察下列等式:1x2=(1/3)x2x3; 1x2+2x3=(1/3)x2x3x4; 1x2+2x3
观察下列等式:1x2=(1/3)x2x3; 1x2+2x3=(1/3)x2x3x4; 1x2+2x3
观察下列等式:1x2=(1/3)x2x3;
1x2+2x3=(1/3)x2x3x4;
1x2+2x3+3x4=(1/3)x3x4x5;
1x2+2x3+3x4+4x5=(1/3)x4x5x6;
……
(1)猜想第n个等式为:_________.
(2)已知(A+32)^2=186624,求(A十22)(A+42)的值