问题
解答题
计算三 (1)(-
(2)(-6)×(-
|
答案
(1)(-
)+|-42 3
|-(-|0-55 6
|)-(+91 6
)1 3
=-
+42 3
+55 6
-91 6 1 3
=-
-92 3
+41 3
+55 6 1 6
=-10+10
=0;
(2)(-6)×(-
)×|1 2
-2 3
|×(3 5
-15 4
)1 4
=(-6)×(-
)×|1 2
-2 3
|×03 5
=0.