问题
解答题
计算: (1)(
(2)
|
答案
(1)原式=3
-5150
+660
-1015 6
=15
-106
+615
-1015 6
=5
-46
;15
(2)原式=3 5
÷(-300 1 3
)6
=6
÷(-3 1 3
)6
=-9
.2
计算: (1)(
(2)
|
(1)原式=3
-5150
+660
-1015 6
=15
-106
+615
-1015 6
=5
-46
;15
(2)原式=3 5
÷(-300 1 3
)6
=6
÷(-3 1 3
)6
=-9
.2