化解(x-40)(1000-10X)
问题描述:
化解(x-40)(1000-10X)
答
1000X-10X方-40000+400X
-10X方+1400X-40000
化解(x-40)(1000-10X)
1000X-10X方-40000+400X
-10X方+1400X-40000