问题
填空题
化简:(1)
|
答案
(1)
×6
=2 3
=12 3
=2;4
(2)
×27
-4=3
-4=9-4=5;81
(3)(
-1)2=3-23
+1=4-23
.3
故答案为:2;5;4-2
.3
化简:(1)
|
(1)
×6
=2 3
=12 3
=2;4
(2)
×27
-4=3
-4=9-4=5;81
(3)(
-1)2=3-23
+1=4-23
.3
故答案为:2;5;4-2
.3