(-X二次方)3次方-3X二次方(X四次方+2X-2)
(四分之三a六次方X二次方+五分之六a三次方X四次方-0.9ax三次方)/五分之三ax²
人气:115 ℃ 时间:2019-08-26 08:34:09
解答
1、
原式=-x^6-3x^6-6x³+6x²
=-4x^6-6x³+6x²
2、
原式=(3/4)a^6x²/(3/5)ax²+(6/5)a³x^4/(3/5)ax²-0.9ax³/(3/5)ax²
=(4/5)a^5+2a²x²-(3/2)x
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