解:∵z=1+i,∴z2=2i
∴z2+az+bz2-z+
如图,在Rt△ABC和Rt△DCB中,AB=DC,∠A=∠D=90°,AC与BD交于点O,则有△____≌△____,其判定依据是____,还有△____≌△____,其判定依据是____.