挑战习题
1/5单选题
难度:

1.

如图,∠A+∠B+∠C+∠D+∠E的度数为( )

青果学院


A

180°

B

360°

C

450°

D

540°

提示1:
PHA+6L+eQkPvvIzmoLnmja7kuInop5LlvaLnmoTlhoXop5LlkozlrprnkIbljbPlj6/or4HlvpfiiKBFK+KIoEQ94oigMSviiKAyPC9wPg==
正确答案:QQ==
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