计算与化简(1)(-4)-(+13)+(-5)-(-9)(2)(1-16+34)×(-48)(3)[2?5×(?12)2]÷(?14)(4)
计算与化简(1)(-4)-(+13)+(-5)-(-9)(2)(1-16+34)×(-48)(3)[2?5×(?12)2]÷(?14)(4)-32?13×[(?5)2×(...
计算与化简(1)(-4)-(+13)+(-5)-(-9)(2)(1-16+34)×(-48)(3)[2?5×(?12)2]÷(?14)(4)-3 2?13×[(?5)2×(?35)?240÷(?4)×14](5)-x+(2x-2)-(3x+5)(6)2x2-[7x-(3x-4)+2x2].
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