计算:(1)3根号20-根号45-根号1/5; (2)³根号8-根号2(根号3-根号2).计算:(1)根号32-2根号1/8+根(2)(3+根号5)(3-根号5)-(根号3-1)².求下列格式的值.(1)-根号0.16; (2)±
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![计算:(1)3根号20-根号45-根号1/5; (2)³根号8-根号2(根号3-根号2).计算:(1)根号32-2根号1/8+根(2)(3+根号5)(3-根号5)-(根号3-1)².求下列格式的值.(1)-根号0.16; (2)±](/uploads/image/z/5533881-33-1.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%881%EF%BC%893%E6%A0%B9%E5%8F%B720-%E6%A0%B9%E5%8F%B745-%E6%A0%B9%E5%8F%B71%2F5%EF%BC%9B+%EF%BC%882%EF%BC%89%26%23179%3B%E6%A0%B9%E5%8F%B78-%E6%A0%B9%E5%8F%B72%EF%BC%88%E6%A0%B9%E5%8F%B73-%E6%A0%B9%E5%8F%B72%EF%BC%89.%E8%AE%A1%E7%AE%97%3A%EF%BC%881%EF%BC%89%E6%A0%B9%E5%8F%B732-2%E6%A0%B9%E5%8F%B71%2F8%2B%E6%A0%B9%EF%BC%882%EF%BC%89%EF%BC%883%2B%E6%A0%B9%E5%8F%B75%EF%BC%89%EF%BC%883-%E6%A0%B9%E5%8F%B75%EF%BC%89-%EF%BC%88%E6%A0%B9%E5%8F%B73-1%EF%BC%89%26%23178%3B.%E6%B1%82%E4%B8%8B%E5%88%97%E6%A0%BC%E5%BC%8F%E7%9A%84%E5%80%BC.%EF%BC%881%EF%BC%89-%E6%A0%B9%E5%8F%B70.16%EF%BC%9B+%EF%BC%882%EF%BC%89%C2%B1)
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