问题
填空题
计算：
|
答案
×2a 3b
÷b 4a3 1 a3
=
•2a 3b
•a3b 4a3
=
；a 6
+3x x-4y
-x+y 4y-x 7y x-4y
=3x-x-y-7y x-4y
=2(x-4y) x-4y
=2．
搜题请搜索小程序“爱下问搜题”
计算：
|
×2a 3b
÷b 4a3 1 a3
=
•2a 3b
•a3b 4a3
=
；a 6
+3x x-4y
-x+y 4y-x 7y x-4y
=3x-x-y-7y x-4y
=2(x-4y) x-4y
=2．