本课配套习题挑战模式3/5
单选题
难度系数:
3.阅读下列语句:①在∠AOB的边OA的延长线上取一点P;②周角有一条边;③D、E分别是∠ABC的边BC、BA上的点,则∠ABC与∠DBE是同一个角;④角只能用一种方法表示.其中正确的有( )
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:6KeS55qE5qaC5b+16ICD5pOm77yM5rOo5oSP57uG6IqC
- 提示2:6IO955S75Zu+55qE55S75Zu+5YiG5p6Q
- 答案:QQ==
77yIM++8ieato+ehruOAgu+8iDHvvInplJnor6/vvIziiKBBT0LnmoTovrlPQeaYr+WwhOe6v++8jOS4jeW/heW7tumVv++8jOivpeivreWPpemUmeivrzxicj7vvIgy77yJ6ZSZ6K+v77yM5ZGo6KeS5pyJ5Lik5p2h6L6577yM5Lik6L656YeN5ZCI77yb77yINO+8ieinkueahOihqOi+vuaWueazle+8jOWPr+S7peeUqOS4gOS4quaVsOWtl++8jOaIluiAheS4gOS4quS4ieS4quWkp+WGmeWtl+avje+8jOaIluiAheS4gOS4quW4jOiFiuWtl+avjeihqOekuuOAguaVhemAie+8oQ==
本课配套习题挑战模式4/5
单选题
难度系数:
4.如图,下列说法:(1)∠ECG和∠C是同一个角;(2)∠OGF和∠OGB是同一个角;(3)∠DOF和∠EOG是同一个角;(4)∠ABC和∠ACB是同一个角,其中正确的说法有 ( )
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 答案:Qg==
77yI77yR77yJ77yI77yS77yJ5ZCM5LiA5Liq6KeS55qE5LiN5ZCM6KGo56S677yM5q2j56Gu77ybKDMp6ZSZ6K+v77yM4oigRE9G5ZKM4oigRU9H5piv5a+56aG26KeS77yM5LiN5piv5ZCM5LiA5Liq6KeS77yb77yI77yU77yJ6ZSZ6K+v77yM4oigQUJD5ZKM4oigQUNC5piv5LiJ6KeS5b2i55qE5Lik5Liq6aG26KeS77yM5LiN5piv5ZCM5LiA5Liq6KeS44CC5pWF6YCJ77yi
本课配套习题挑战模式5/5
单选题
难度系数:
5.
钟表在4时30分时,它的时针和分针所成的锐角是( )
A: 70° |
B: 45° |
C: 85° |
D: 90° |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5YWI55S75Ye66I2J5Zu+77yM5L6d54Wn5Zu+55qE5aSn6Ie05L2N572u57K+56Gu6K6h566XPC9wPg==
- 答案:Qg==
PHA+6KGo55uY5pyJMTLmoLzvvIzmr4/moLznmoTluqbmlbDkuLrvvJozNjDDtzEyPTMw5bqm77yM4oi0NOeCuTMw5YiG5pe277yMPGJyPuWkueinkuS4uu+8mjMw77yLMzA8aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUEvQUIvckJBQ0ZGVEpqdEhnSDFDTUFBQUF6eXFlbjFNMTM5LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS9BQi9yQkFDRkZUSmp0SGdIMUNNQUFBQXp5cWVuMU0xMzkucG5nIiBoZWlnaHQ9IjIxIiB3aWR0aD0iMTAiPjLvvJ00NeW6pjwvcD4=