问题
解答题
(
|
答案
原式=(
-5 6
+3 7
-1 3
)×(-14)9 14
=
×(-14)-5 6
×(-14)+3 7
×(-14)-1 3
×(-14)9 14
=-
+6-35 3
+914 3
=-
-35 3
+6+914 3
=-16
+151 3
=-1
.1 3
(
|
原式=(
-5 6
+3 7
-1 3
)×(-14)9 14
=
×(-14)-5 6
×(-14)+3 7
×(-14)-1 3
×(-14)9 14
=-
+6-35 3
+914 3
=-
-35 3
+6+914 3
=-16
+151 3
=-1
.1 3