题目内容
(2005?卢龙县)直接写出得数.
4.6×1
=
÷
=
3-
-1
=
+
÷
=
4.6×1
| 1 |
| 2 |
| 1 |
| 4 |
| 3 |
| 20 |
3-
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 5 |
| 2 |
| 7 |
| 3 |
| 7 |
分析:本题根据分数、小数的加法、减法、乘法与除法的运算法则计算即可.
解答:解:4.6×1
=6.9;
÷
=
;
3-
-1
=
;
+
÷
=
.
| 1 |
| 2 |
| 1 |
| 4 |
| 3 |
| 20 |
| 5 |
| 3 |
3-
| 1 |
| 3 |
| 1 |
| 6 |
| 3 |
| 2 |
| 1 |
| 5 |
| 2 |
| 7 |
| 3 |
| 7 |
| 13 |
| 15 |
点评:完成本题要注意分析式中数据,然后快速准确得出答案.
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