题目内容
用你喜欢的方法计算.
×
×
÷
×
×
+
×
11-
-
-
.
| 5 |
| 9 |
| 3 |
| 5 |
| 5 |
| 8 |
| 1 |
| 2 |
| 2 |
| 15 |
| 1 |
| 5 |
| 2 |
| 7 |
| 2 |
| 5 |
| 3 |
| 5 |
| 2 |
| 7 |
11-
| 3 |
| 11 |
| 7 |
| 11 |
| 1 |
| 11 |
(1)
×
×
,
=
×
,
=
;
(2)
÷
×
,
=
×
,
=
;
(3)
×
+
×
,
=
×(
+
),
=
×1,
=
;
(4)11-
-
-
,
=11-(
+
+
),
=11-1,
=10.
| 5 |
| 9 |
| 3 |
| 5 |
| 5 |
| 8 |
=
| 1 |
| 3 |
| 5 |
| 8 |
=
| 5 |
| 24 |
(2)
| 1 |
| 2 |
| 2 |
| 15 |
| 1 |
| 5 |
=
| 15 |
| 4 |
| 1 |
| 5 |
=
| 3 |
| 4 |
(3)
| 2 |
| 7 |
| 2 |
| 5 |
| 3 |
| 5 |
| 2 |
| 7 |
=
| 2 |
| 7 |
| 2 |
| 5 |
| 3 |
| 5 |
=
| 2 |
| 7 |
=
| 2 |
| 7 |
(4)11-
| 3 |
| 11 |
| 7 |
| 11 |
| 1 |
| 11 |
=11-(
| 3 |
| 11 |
| 7 |
| 11 |
| 1 |
| 11 |
=11-1,
=10.
练习册系列答案
相关题目