问题
填空题
先化简
|
答案
原式=
-(2 3
-(
)2×241 6
)(
)2×123 2
=
-(2 3
-2 3
)27
=
-2 3
+32 3 3
=33
≈3×1.732
≈5.196
≈5.20
先化简
|
原式=
-(2 3
-(
)2×241 6
)(
)2×123 2
=
-(2 3
-2 3
)27
=
-2 3
+32 3 3
=33
≈3×1.732
≈5.196
≈5.20