问题
解答题
-14-(-5
|
答案
-14-(-5
)×1 2
-4 11
×(8-13 4
)1 3
=-1+
×11 2
-4 11
×(8-3 4
)4 3
=-1+2-
×8+3 4
×3 4 4 3
=-1+2-6+1
=-4.
-14-(-5
|
-14-(-5
)×1 2
-4 11
×(8-13 4
)1 3
=-1+
×11 2
-4 11
×(8-3 4
)4 3
=-1+2-
×8+3 4
×3 4 4 3
=-1+2-6+1
=-4.