问题
解答题
计算下列各题: (1)-0.52+
(2)-1
|
答案
(1)-0.52+
-|-22-4|-(-11 4
)3×1 2 4 9
=-
+1 4
-8+1 4 3 2
=-6.5;
(2)-1
÷2 3
×(-0.6)×13 4
+(-2)3.3 4
=
×5 3
×4 3
×3 5
-87 4
=-
.17 3
计算下列各题: (1)-0.52+
(2)-1
|
(1)-0.52+
-|-22-4|-(-11 4
)3×1 2 4 9
=-
+1 4
-8+1 4 3 2
=-6.5;
(2)-1
÷2 3
×(-0.6)×13 4
+(-2)3.3 4
=
×5 3
×4 3
×3 5
-87 4
=-
.17 3