计算(1)24×(18?13+14)(2)(-4)-(+13)+(-5)-(-9)(3)-32×(-2)+42÷(-2)3(4)(4)-12-
计算(1)24×(18?13+14)(2)(-4)-(+13)+(-5)-(-9)(3)-32×(-2)+42÷(-2)3(4)(4)-12-[137+(-12)÷6]2...
计算(1)24×(18?13+14)(2)(-4)-(+13)+(-5)-(-9)(3)-32×(-2)+42÷(-2)3(4)(4)-12-[137+(-12)÷6]2×(?34)3(5)3x2+2xy-4y2-(3xy-4y2+3x2) (6)(4a2b-5ab2)-(3a2b-4ab2)
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