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因式分解(3道)用“十字相乘法”x^3-5x^2y-24xy^2x^3-3x^2-10x(x^2+4x)^2-x^2-4
1年前
What is the difference between "expected","we have expected"
1年前
he had a hard time the english exam A pass Bpassing Cpassed
1年前
同义句转换 Mr Lee got up late .He didn't catch the early bus.
1年前
如图,在直角坐标系中放入一个边长OC为6的矩形纸片ABCD 已知OC:CB=3:5,将纸片翻转后.
1年前