问题
解答题
计算:(1)(-1)2012-(0.5-1)×
(2)(-2)2+
|
答案
(1)原式=1+
×1 2
×(2-9)1 3
=1-
×1 2
×71 3
=1-7 6
=-
;1 6
(2)原式=4+
+2÷4 3 1 3
=4+
+64 3
=10+4 3
=
.34 3
计算:(1)(-1)2012-(0.5-1)×
(2)(-2)2+
|
(1)原式=1+
×1 2
×(2-9)1 3
=1-
×1 2
×71 3
=1-7 6
=-
;1 6
(2)原式=4+
+2÷4 3 1 3
=4+
+64 3
=10+4 3
=
.34 3