求下列各式的值.(1)√25² — 24²•√3²+4²;1 1 1(2)√20— — —√0.36 — —•√900;4 3 5(3)丨a —π丨+丨√2 — a丨(√2<a<π).(精确到0.01)求下列各式中的χ的值
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![求下列各式的值.(1)√25² — 24²•√3²+4²;1 1 1(2)√20— — —√0.36 — —•√900;4 3 5(3)丨a —π丨+丨√2 — a丨(√2<a<π).(精确到0.01)求下列各式中的χ的值](/uploads/image/z/7032245-5-5.jpg?t=%E6%B1%82%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E7%9A%84%E5%80%BC.%EF%BC%881%EF%BC%89%E2%88%9A25%26%23178%3B+%E2%80%94+24%26%23178%3B%26%238226%3B%E2%88%9A3%26%23178%3B%2B4%26%23178%3B%EF%BC%9B1+1+1%EF%BC%882%EF%BC%89%E2%88%9A20%E2%80%94+%E2%80%94+%E2%80%94%E2%88%9A0.36+%E2%80%94+%E2%80%94%26%238226%3B%E2%88%9A900%EF%BC%9B4+3+5%EF%BC%883%EF%BC%89%E4%B8%A8a+%E2%80%94%CF%80%E4%B8%A8%2B%E4%B8%A8%E2%88%9A2+%E2%80%94+a%E4%B8%A8%EF%BC%88%E2%88%9A2%EF%BC%9Ca%EF%BC%9C%CF%80%EF%BC%89.%EF%BC%88%E7%B2%BE%E7%A1%AE%E5%88%B00.01%EF%BC%89%E6%B1%82%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E4%B8%AD%E7%9A%84%CF%87%E7%9A%84%E5%80%BC)
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