问题
解答题
-12012-(
|
答案
-12012-(
-2 3
)×[4-(-3 5
)2]1 2
=-1-
×[4-1 15
]1 4
=-1-
×1 15 15 4
=-1-1 4
=-1
.1 4
-12012-(
|
-12012-(
-2 3
)×[4-(-3 5
)2]1 2
=-1-
×[4-1 15
]1 4
=-1-
×1 15 15 4
=-1-1 4
=-1
.1 4