题目内容
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A、55° | B、50° | C、45° | D、30° |
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相关题目
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A、53° | B、55° | C、57° | D、60° |
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A、30° | B、35° | C、40° | D、50° |
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A、38° | B、42° | C、52° | D、62° |
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A、∠2+∠3=180° | B、∠1+∠A=∠2 | C、∠3+∠6=180° | D、∠1+∠4=∠5 |
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A、60° | B、50° | C、40° | D、30° |
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A、45° | B、75° | C、70° | D、80° |
16 |
A、±4 | B、4 | C、±2 | D、2 |