题目内容
列式计算
(1)从15里面减去
与
的差,得多少?
(2)比X多
的数是
,求X.
(1)从15里面减去
| 3 |
| 4 |
| 2 |
| 5 |
(2)比X多
| 3 |
| 7 |
| 3 |
| 4 |
(1)15-(
-
),
=15-(0.75-0.4),
=15-0.35,
=14.65;
答:从15里面减去
与
的差,得14.65.
(2)x+
=
,
x+
-
=
-
,
x=
-
,
x=
;
答:比X多
的数是
,X的值是
.
| 3 |
| 4 |
| 2 |
| 5 |
=15-(0.75-0.4),
=15-0.35,
=14.65;
答:从15里面减去
| 3 |
| 4 |
| 2 |
| 5 |
(2)x+
| 3 |
| 7 |
| 3 |
| 4 |
x+
| 3 |
| 7 |
| 3 |
| 7 |
| 3 |
| 4 |
| 3 |
| 7 |
x=
| 21 |
| 28 |
| 12 |
| 28 |
x=
| 9 |
| 28 |
答:比X多
| 3 |
| 7 |
| 3 |
| 4 |
| 9 |
| 28 |
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