题目内容
列式计算.
(1)从
里面减去
与
的和.差是多少?
(2)一个数加上
的和比3少
,这个数是多少?
(1)从
| 3 |
| 5 |
| 1 |
| 10 |
| 3 |
| 8 |
(2)一个数加上
| 2 |
| 3 |
| 1 |
| 2 |
(1)
-(
+
),
=
-
,
=
-
,
=
;
(2)3-
-
,
=3-(
+
),
=3-
,
=1
.
| 3 |
| 5 |
| 1 |
| 10 |
| 3 |
| 8 |
=
| 3 |
| 5 |
| 19 |
| 40 |
=
| 24 |
| 40 |
| 19 |
| 40 |
=
| 1 |
| 8 |
(2)3-
| 1 |
| 2 |
| 2 |
| 3 |
=3-(
| 1 |
| 2 |
| 2 |
| 3 |
=3-
| 7 |
| 6 |
=1
| 5 |
| 6 |
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