问题
解答题
计算题 (1)1+
(2)-1100-(1-0.5)÷3×[3-(-3)2]. |
答案
(1)原式=
+4 4
-1 4 2 4
=
;3 4
(2)原式=-1-
÷3×[3-9]1 2
=-1-
×1 2
×(-6)1 3
=-1+1
=0.
计算题 (1)1+
(2)-1100-(1-0.5)÷3×[3-(-3)2]. |
(1)原式=
+4 4
-1 4 2 4
=
;3 4
(2)原式=-1-
÷3×[3-9]1 2
=-1-
×1 2
×(-6)1 3
=-1+1
=0.