问题
填空题
计算:(1)
(2)
|
答案
(1)
=36y 49x2
=36y 49x2 6 7x
;y
(2)
=3 2 27
=3 2 3 3
=2 3
.6 3
故答案为:6 7x
;y
.6 3
计算:(1)
(2)
|
(1)
=36y 49x2
=36y 49x2 6 7x
;y
(2)
=3 2 27
=3 2 3 3
=2 3
.6 3
故答案为:6 7x
;y
.6 3