一,计算①(-1)³×(-2)÷[(-3)²+2×(-5)]②[-3²×2-(-2)³×3-4×|-6|]÷(-3)²二.化简与求值③5(3a-b)-4(-a+3b)
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![一,计算①(-1)³×(-2)÷[(-3)²+2×(-5)]②[-3²×2-(-2)³×3-4×|-6|]÷(-3)²二.化简与求值③5(3a-b)-4(-a+3b)](/uploads/image/z/5628567-39-7.jpg?t=%E4%B8%80%2C%E8%AE%A1%E7%AE%97%E2%91%A0%EF%BC%88-1%EF%BC%89%26sup3%3B%C3%97%EF%BC%88-2%EF%BC%89%C3%B7%5B%28-3%29%26sup2%3B%EF%BC%8B2%C3%97%28-5%29%5D%E2%91%A1%5B-3%26sup2%3B%C3%972-%EF%BC%88-2%EF%BC%89%26sup3%3B%C3%973-4%C3%97%7C-6%7C%5D%C3%B7%28-3%29%26sup2%3B%E4%BA%8C.%E5%8C%96%E7%AE%80%E4%B8%8E%E6%B1%82%E5%80%BC%E2%91%A25%283a-b%EF%BC%89-4%EF%BC%88-a%EF%BC%8B3b%EF%BC%89)
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