题目内容
脱式计算
×
÷(
-
)
×[1÷(
+
)].
| 1 |
| 6 |
| 2 |
| 3 |
| 4 |
| 5 |
| 8 |
| 15 |
| 3 |
| 4 |
| 5 |
| 6 |
| 2 |
| 3 |
(1)
×
÷(
-
),
=
×
÷
,
=
÷
,
=
;
(2)
×[1÷(
+
)],
=
×[1÷
],
=
×
,
=
.
| 1 |
| 6 |
| 2 |
| 3 |
| 4 |
| 5 |
| 8 |
| 15 |
=
| 1 |
| 6 |
| 2 |
| 3 |
| 4 |
| 15 |
=
| 1 |
| 9 |
| 4 |
| 15 |
=
| 5 |
| 12 |
(2)
| 3 |
| 4 |
| 5 |
| 6 |
| 2 |
| 3 |
=
| 3 |
| 4 |
| 3 |
| 2 |
=
| 3 |
| 4 |
| 2 |
| 3 |
=
| 1 |
| 2 |
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