计算:(1)(2x+5)(2x-5)-(4x+1)(x-4) (2)0.125^6*(-8)^7+(1/2-3/2)^3
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计算:(1)(2x+5)(2x-5)-(4x+1)(x-4)(2)0.125^6*(-8)^7+(1/2-3/2)^3计算:(1)(2x+5)(2x-5)-(4x+1)(x-4)(2)0.125^6*
计算:(1)(2x+5)(2x-5)-(4x+1)(x-4) (2)0.125^6*(-8)^7+(1/2-3/2)^3
计算:(1)(2x+5)(2x-5)-(4x+1)(x-4) (2)0.125^6*(-8)^7+(1/2-3/2)^3
计算:(1)(2x+5)(2x-5)-(4x+1)(x-4) (2)0.125^6*(-8)^7+(1/2-3/2)^3
(1)(2x+5)(2x-5)-(4x+1)(x-4)
=4x²-25-4x²+15x+4
=15x-25
(2)0.125^6*(-8)^7+(1/2-3/2)^3
=[0.125*(-8)]^6*(-8)+(-1)³
=-8-1
=-9
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