1.(-1/2x^2*y^3)*2^4*x^5*y^5

学习 时间:2026-04-07 22:55:00 阅读:6305
1.(-1/2x^2*y^3)*2^4*x^5*y^52.(x-y)^3*(y-x)^2*(y-x)^53.8*2^3*32*(-2)^8

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糊涂的黑夜

从容的红酒

2026-04-07 22:55:00

1。原式=-(1/2×2^4)×(x^2×x^5)×(y^3×y^5)=-2^3×x^7×y^8=-8x^7y^82。原式=(x-y)^3×(x-y)^2×[-(x-y)^5]=-(x-y)^3×(x-y)^2×(x-y)^5=-(x-y)^103。原式=2^3×2^3×2^5×2^8=2^(3+3+5+8)=2^19

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  • 无心的荔枝
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    2026-04-07 22:55:00

    1。原式=-(1/2×2^4)×(x^2×x^5)×(y^3×y^5)=-2^3×x^7×y^8=-8x^7y^82。原式=(x-y)^3×(x-y)^2×[-(x-y)^5]=-(x-y)^3×(x-y)^2×(x-y)^5=-(x-y)^103。原式=2^3×2^3×2^5×2^8=2^(3+3+5+8)=2^19

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