题目内容
(1)(
+
)÷
(2)
÷75%-
×38%
(3)
÷
-
×
.
| 1 |
| 12 |
| 1 |
| 6 |
| 5 |
| 24 |
(2)
| 3 |
| 8 |
| 2 |
| 19 |
(3)
| 5 |
| 6 |
| 1 |
| 2 |
| 8 |
| 9 |
| 3 |
| 4 |
(1)(
+
)÷
,
=
×
,
=
;
(2)
÷75%-
×38%,
=
×
-
×
,
=
-
,
=
;
(3)
÷
-
×
,
=
×2-
,
=
-
,
=1.
| 1 |
| 12 |
| 1 |
| 6 |
| 5 |
| 24 |
=
| 3 |
| 12 |
| 24 |
| 5 |
=
| 6 |
| 5 |
(2)
| 3 |
| 8 |
| 2 |
| 19 |
=
| 3 |
| 8 |
| 4 |
| 3 |
| 2 |
| 19 |
| 19 |
| 50 |
=
| 1 |
| 2 |
| 1 |
| 25 |
=
| 23 |
| 50 |
(3)
| 5 |
| 6 |
| 1 |
| 2 |
| 8 |
| 9 |
| 3 |
| 4 |
=
| 5 |
| 6 |
| 2 |
| 3 |
=
| 5 |
| 3 |
| 2 |
| 3 |
=1.
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