问题
填空题
计算：3a
|
答案
3a
•2x20x3 c
=6ax2c 5x2
=6ax
•20x3 c 2c 5x2
=12ax8x
．2x
故答案为：12ax
．2x
搜题请搜索小程序“爱下问搜题”
计算：3a
|
3a
•2x20x3 c
=6ax2c 5x2
=6ax
•20x3 c 2c 5x2
=12ax8x
．2x
故答案为：12ax
．2x