数学有理数的四则混合运算题目如下,Thanks...1)-20÷5×1/4+5×(-3)/152)[1/24÷(-1又1/4)×(-5/6)÷(-3又1/6)]-0.25÷1/43)-3×[-5+(1-0.2÷3/5)÷(-2)]4)对1,2,3,4可作运算(1+2+3)×4=24,现有有理数3,4,-6
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![数学有理数的四则混合运算题目如下,Thanks...1)-20÷5×1/4+5×(-3)/152)[1/24÷(-1又1/4)×(-5/6)÷(-3又1/6)]-0.25÷1/43)-3×[-5+(1-0.2÷3/5)÷(-2)]4)对1,2,3,4可作运算(1+2+3)×4=24,现有有理数3,4,-6](/uploads/image/z/14939016-24-6.jpg?t=%E6%95%B0%E5%AD%A6%E6%9C%89%E7%90%86%E6%95%B0%E7%9A%84%E5%9B%9B%E5%88%99%E6%B7%B7%E5%90%88%E8%BF%90%E7%AE%97%E9%A2%98%E7%9B%AE%E5%A6%82%E4%B8%8B%2CThanks...1%29-20%C3%B75%C3%971%2F4%2B5%C3%97%EF%BC%88-3%EF%BC%89%2F152%29%5B1%2F24%C3%B7%EF%BC%88-1%E5%8F%881%2F4%EF%BC%89%C3%97%EF%BC%88-5%2F6%EF%BC%89%C3%B7%EF%BC%88-3%E5%8F%881%2F6%EF%BC%89%5D-0.25%C3%B71%2F43%29-3%C3%97%5B-5%2B%EF%BC%881-0.2%C3%B73%2F5%EF%BC%89%C3%B7%EF%BC%88-2%EF%BC%89%5D4%EF%BC%89%E5%AF%B91%2C2%2C3%2C4%E5%8F%AF%E4%BD%9C%E8%BF%90%E7%AE%97%EF%BC%881%2B2%2B3%EF%BC%89%C3%974%3D24%2C%E7%8E%B0%E6%9C%89%E6%9C%89%E7%90%86%E6%95%B03%2C4%2C-6)
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