解答数学题,要清楚一点(1)如图①,在△ABC中,∠ABC、∠ACB的平分线相交于点O. 1.若∠A=60º,求∠BOC的度数. 2.若∠A=nº,则∠BOC=____3.若∠BOC=3∠A,则∠A=____ (2)如图②,在△A′B′C′中的
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![解答数学题,要清楚一点(1)如图①,在△ABC中,∠ABC、∠ACB的平分线相交于点O. 1.若∠A=60º,求∠BOC的度数. 2.若∠A=nº,则∠BOC=____3.若∠BOC=3∠A,则∠A=____ (2)如图②,在△A′B′C′中的](/uploads/image/z/3844199-47-9.jpg?t=%E8%A7%A3%E7%AD%94%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E8%A6%81%E6%B8%85%E6%A5%9A%E4%B8%80%E7%82%B9%EF%BC%881%29%E5%A6%82%E5%9B%BE%E2%91%A0%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0ABC%E3%80%81%E2%88%A0ACB%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O.+1.%E8%8B%A5%E2%88%A0A%EF%BC%9D60%26%23186%3B%2C%E6%B1%82%E2%88%A0BOC%E7%9A%84%E5%BA%A6%E6%95%B0.++2.%E8%8B%A5%E2%88%A0A%EF%BC%9Dn%26%23186%3B%2C%E5%88%99%E2%88%A0BOC%3D____3.%E8%8B%A5%E2%88%A0BOC%EF%BC%9D3%E2%88%A0A%2C%E5%88%99%E2%88%A0A%3D____++%282%29%E5%A6%82%E5%9B%BE%E2%91%A1%2C%E5%9C%A8%E2%96%B3A%E2%80%B2B%E2%80%B2C%E2%80%B2%E4%B8%AD%E7%9A%84)
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