问题
解答题
化简 (1)
|
答案
(1)
-12
-18
+32
=248
-33
-42
+42 3
=6
-73
;2
(2)(
-48
)÷27
=(43
-33
)÷3
=1.3
化简 (1)
|
(1)
-12
-18
+32
=248
-33
-42
+42 3
=6
-73
;2
(2)(
-48
)÷27
=(43
-33
)÷3
=1.3