若复数z满足 (3-4i)z=|4+3i |,则z的虚部为 ( ) A.-4 B.- C.4 D

若复数z满足 (3-4i)z=|4+3i |,则z的虚部为 ( ) A.-4 B.- C.4 D.
2025-05-17 23:40:03
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