题目内容
0.1
+0.2
+0.3
+0.4
+0.5
=______.
| . |
| 2 |
| . |
| 3 |
| . |
| 4 |
| . |
| 5 |
| . |
| 6 |
0.1
=
,
0.2
=
,
0.3
=
,
0.4
=
,
0.5
=
,
因为=
+
+
+
+
=
=1.7
,
所以0.1
+0.2
+0.3
+0.4
+0.5
=1.7
,
故答案为:1.7
.
| . |
| 2 |
| 11 |
| 90 |
0.2
| . |
| 3 |
| 21 |
| 90 |
0.3
| . |
| 4 |
| 31 |
| 90 |
0.4
| . |
| 5 |
| 41 |
| 90 |
0.5
| ? |
| 6 |
| 51 |
| 90 |
因为=
| 11 |
| 90 |
| 21 |
| 90 |
| 31 |
| 90 |
| 41 |
| 90 |
| 51 |
| 90 |
| 155 |
| 90 |
| ? |
| 2 |
所以0.1
| . |
| 2 |
| . |
| 3 |
| . |
| 4 |
| . |
| 5 |
| . |
| 6 |
| ? |
| 2 |
故答案为:1.7
| ? |
| 2 |
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