题目内容
计算下面各题.
10
-5
-4
-(
-
).
10
2 |
9 |
11 |
17 |
4 |
17 |
4 |
9 |
4 |
9 |
1 |
3 |
(1)10
-5
-4
,
=10
-(5
+4
),
=10
-9
,
=(9-9)+(1
-
),
=
;
(2)
-(
-
),
=
-
+
,
=0+
,
=
.
2 |
9 |
11 |
17 |
4 |
17 |
=10
2 |
9 |
11 |
17 |
4 |
17 |
=10
2 |
9 |
15 |
17 |
=(9-9)+(1
2 |
9 |
15 |
17 |
=
52 |
153 |
(2)
4 |
9 |
4 |
9 |
1 |
3 |
=
4 |
9 |
4 |
9 |
1 |
3 |
=0+
1 |
3 |
=
1 |
3 |
练习册系列答案
相关题目