下面这3道计算题答案.
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/17 01:44:00
下面这3道计算题答案.
-3a^2b*(a^3*-5a^2*b^3)=?
(6x^4*y^3-15x^3*y^3)/(-3xy^2)=?
(2x-5)^2-(2x+3)(2x-3)=?
-3a^2b*(a^3*-5a^2*b^3)=?
(6x^4*y^3-15x^3*y^3)/(-3xy^2)=?
(2x-5)^2-(2x+3)(2x-3)=?
![下面这3道计算题答案.](/uploads/image/z/15619293-45-3.jpg?t=%E4%B8%8B%E9%9D%A2%E8%BF%993%E9%81%93%E8%AE%A1%E7%AE%97%E9%A2%98%E7%AD%94%E6%A1%88.)
-3a^2b*(a^3*-5a^2*b^3)=-3a^5b+15a^4b^4
(6x^4*y^3-15x^3*y^3)/(-3xy^2)=-18x^5y^5+45x^4y^5
(2x-5)^2-(2x+3)(2x-3)=-20x+36
(6x^4*y^3-15x^3*y^3)/(-3xy^2)=-18x^5y^5+45x^4y^5
(2x-5)^2-(2x+3)(2x-3)=-20x+36