问题
解答题
(1)计算:9
(2)计算:(
|
答案
(1)原式=27
÷(3×5
×3
)×5
-88 2 9 2
=3
×3
-88 2 9
=2
-88 6 3
;2
(2)原式=(
)2-(3
+2
)25
=3-(2+2
+5)10
=-4-2
.10
(1)计算:9
(2)计算:(
|
(1)原式=27
÷(3×5
×3
)×5
-88 2 9 2
=3
×3
-88 2 9
=2
-88 6 3
;2
(2)原式=(
)2-(3
+2
)25
=3-(2+2
+5)10
=-4-2
.10