挑战习题
1/5单选题
难度：

1.如图，△ACB≌△A′CB′，∠BCB′=30°，则∠ACA′的度数为（　　）
A 20°
B 30°
C 35°
D 40°
提示1：
IOacrOmimOagueaNruWFqOetieS4ieinkuW9oueahOaAp+i0qOW5tuaJvua4heWFqOetieS4ieinkuW9oueahOWvueW6lOinkuWNs+WPry4=
正确答案：Qg==
6Kej77ya4oi14pazQUNC4omM4pazQeKAskNC4oCyPGJyPuKItOKIoEFDQj3iiKBB4oCyQ0LigLI8YnI+5Y2z4oigQUNB4oCyK+KIoEHigLJDQj3iiKBC4oCyQ0Ir4oigQeKAskNC77yMPGJyPuKItOKIoEFDQeKAsj3iiKBC4oCyQ0LvvIw8YnI+5Y+I4oigQuKAskNCPTMwwrA8YnI+4oi04oigQUNB4oCyPTMwwrAuIDxicj7mlYXpgIlCLiA=

提示0/1

A

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