化简2(4m^2n^2-3n^3)+5(-3m^2n^2+4n^3)_数学解答

化简2(4m^2n^2-3n^3)+5(-3m^2n^2+4n^3)

人气：349 ℃　时间：2019-10-31 05:13:22

解答

2(4m^2n^2-3n^3)+5(-3m^2n^2+4n^3)=8m²n²-6n³-15m³n³+20n³=-7m²n²+14n³;很高兴为您解答,skyhunter002为您答疑解惑如果本题有什么不明白可以追问,...