题目内容
列式计算
(1)
与
的差乘以
与
的和,积是多少?
(2)1减去
与
的积,再除以
,商是多少?
(1)
| 5 |
| 9 |
| 4 |
| 15 |
| 5 |
| 13 |
| 7 |
| 26 |
(2)1减去
| 4 |
| 9 |
| 3 |
| 8 |
| 1 |
| 3 |
(1)(
-
)×(
+
),
=
×
=
;
答:积是
.
(2)(1-
×
)÷
,
=(1-
)×3,
=
×3,
=
;
答:商是
.
| 5 |
| 9 |
| 4 |
| 15 |
| 5 |
| 13 |
| 7 |
| 26 |
=
| 13 |
| 45 |
| 17 |
| 26 |
=
| 17 |
| 90 |
答:积是
| 17 |
| 90 |
(2)(1-
| 4 |
| 9 |
| 3 |
| 8 |
| 1 |
| 3 |
=(1-
| 1 |
| 6 |
=
| 5 |
| 6 |
=
| 5 |
| 2 |
答:商是
| 5 |
| 2 |
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