题目内容
用你喜欢的方法计算.
17×
+17÷
÷(
+
)
(
-
)×
.
17×
| 11 |
| 23 |
| 23 |
| 12 |
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
(
| 5 |
| 6 |
| 2 |
| 3 |
| 9 |
| 10 |
(1)17×
+17÷
=17×
+17×
=17×(
+
)
=17×1
=17
(2)
÷(
+
)
=
÷
=
×
=
(3)(
-
)×
=
×
=
| 11 |
| 23 |
| 23 |
| 12 |
=17×
| 11 |
| 23 |
| 12 |
| 23 |
=17×(
| 11 |
| 23 |
| 12 |
| 23 |
=17×1
=17
(2)
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
=
| 2 |
| 5 |
| 23 |
| 20 |
=
| 2 |
| 5 |
| 20 |
| 23 |
=
| 8 |
| 23 |
(3)(
| 5 |
| 6 |
| 2 |
| 3 |
| 9 |
| 10 |
=
| 1 |
| 6 |
| 9 |
| 10 |
=
| 3 |
| 20 |
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