题目内容
列式计算:
用
与
的和去除它们的差,结果是多少?
用
| 3 |
| 5 |
| 3 |
| 2 |
(
-
)÷(
+
),
=(
-
)÷(
+
),
=
÷
,
=
×
,
=
;
答:用
与
的和去除它们的差,结果是
.
| 3 |
| 2 |
| 3 |
| 5 |
| 3 |
| 2 |
| 3 |
| 5 |
=(
| 15 |
| 10 |
| 6 |
| 10 |
| 15 |
| 10 |
| 6 |
| 10 |
=
| 9 |
| 10 |
| 21 |
| 10 |
=
| 9 |
| 10 |
| 10 |
| 21 |
=
| 3 |
| 7 |
答:用
| 3 |
| 5 |
| 3 |
| 2 |
| 3 |
| 7 |
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