题目内容
列式计算.
①从3里面减去
与0.2的和,差是多少?
②
与
的和,减去它们的差,结果是多少?
①从3里面减去
| 4 |
| 5 |
②
| 1 |
| 2 |
| 1 |
| 3 |
(1)3-(
+0.2),
=3-1,
=2.
答:差是2.
(2)(
+
)-(
-
),
=
+
-
+
,
=
.
答:结果是
.
| 4 |
| 5 |
=3-1,
=2.
答:差是2.
(2)(
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
=
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
=
| 2 |
| 3 |
答:结果是
| 2 |
| 3 |
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