A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ; mso-bidi-font-size: 12.0pt">先交集再差集</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ; mso-bidi-font-size: 12.0pt">先差集再并集</span><span style="FONT-FAMILY: "></span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ; mso-bidi-font-size: 12.0pt">先差集现交集</span><span lang="EN-US" style="FONT-FAMILY: "><span style="mso-spacerun: yes"></span></span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ; mso-bidi-font-size: 12.0pt">先并集再差集</span>
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