370854
591039
236460
203886
(1/x-1 + 1/x+1)/x
7/2 ×72
2^-2
1. Solve the equation 2(x + 3) - 1 = - 7
525727
832973
1. Solve the equation 21x + 32 - 1 = - 7
integral
find the values of
(1+i)^4(1+1/i)^4 in detail
2*1
