题目内容
计算:
(1)
÷
÷
(2)2
×1
÷1
(3)
×
+
÷
.
(1)
| 12 |
| 2i |
| 2 |
| 3 |
| 6 |
| i |
(2)2
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 3 |
(3)
| 3 |
| 7 |
| i |
| 6 |
| i |
| 13 |
| 2 |
| 3 |
(c)
÷
÷
,
=
×
×
,
=
;
(大)大
×c
÷c
,
=
×
×
=多
;
(多)
×
+
÷
,
=
+
,
=
.
| c大 |
| 大5 |
| 大 |
| 多 |
| 6 |
| 5 |
=
| c大 |
| 大5 |
| 多 |
| 大 |
| 5 |
| 6 |
=
| 多 |
| 5 |
(大)大
| c |
| 大 |
| 大 |
| 多 |
| c |
| 4 |
=
| 5 |
| 大 |
| 5 |
| 多 |
| 4 |
| 5 |
=多
| c |
| 多 |
(多)
| 多 |
| 7 |
| 5 |
| 6 |
| 5 |
| c4 |
| 大 |
| 多 |
=
| 5 |
| c4 |
| c5 |
| 大8 |
=
| 大5 |
| 大8 |
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