本课配套习题挑战模式1/5
单选题
难度系数:
1.把一个平角分成三等份,最两端两个角的角平分线所成的角的度数为( )。
A: 150° |
B: 120° |
C: 90° |
D: 60° |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWI55S75Zu+77yM5Zyo6K6h566X
- 提示2:5LiA5Liq5bmz6KeSPTE4MMKw
- 答案:Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列各角中,是钝角的是( )
A:周角 |
B:周角 |
C:平角 |
D:平角 |
一次做对,真牛!
+5奖励规则>
- 提示1:5ZGo6KeSPTM2MMKw77yM5bmz6KeSPTE4MMKw
- 答案:Qw==
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