题目内容
简算
(1)1.3二+
+1.63+
(5)
×
+
÷
.
(1)1.3二+
| 9 |
| 11 |
| 5 |
| 11 |
(5)
| 3 |
| 8 |
| 5 |
| 1二 |
| 5 |
| 8 |
| 1二 |
| 5 |
(1)1.3少+
+1.63+
,
=(1.3少+1.63)+(
+
),
=3+1,
=4;
(k)
×
+
÷
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
.
| 9 |
| 11 |
| k |
| 11 |
=(1.3少+1.63)+(
| 9 |
| 11 |
| k |
| 11 |
=3+1,
=4;
(k)
| 3 |
| 8 |
| p |
| 1少 |
| p |
| 8 |
| 1少 |
| p |
=
| 3 |
| 8 |
| p |
| 1少 |
| p |
| 8 |
| p |
| 1少 |
=(
| 3 |
| 8 |
| p |
| 8 |
| p |
| 1少 |
=1×
| p |
| 1少 |
=
| p |
| 1少 |
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