题目内容
列式计算
(1)
加上
除
的商,得到和再乘
,积是多少
(2)
减去
与
的积,所得的差除以9,商是几?.
(1)
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
(2)
| 3 |
| 4 |
| 3 |
| 4 |
| 4 |
| 5 |
(1)(
+
÷
)×
,
=(
+3)×
,
=
×
,
=
;
答:积是
.
(2)(
-
×
)÷9,
=(
-
)÷9,
=
×
,
=
;
答:商是
.
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
=(
| 2 |
| 3 |
| 1 |
| 4 |
=
| 11 |
| 3 |
| 1 |
| 4 |
=
| 11 |
| 12 |
答:积是
| 11 |
| 12 |
(2)(
| 3 |
| 4 |
| 3 |
| 4 |
| 4 |
| 5 |
=(
| 3 |
| 4 |
| 3 |
| 5 |
=
| 3 |
| 20 |
| 1 |
| 9 |
=
| 1 |
| 60 |
答:商是
| 1 |
| 60 |
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