题目内容
脱式计算
①
×[
-(
-
)]
②
+
÷(1
-
×
)
①
| 8 |
| 9 |
| 3 |
| 4 |
| 7 |
| 16 |
| 1 |
| 4 |
②
| 11 |
| 5 |
| 4 |
| 15 |
| 4 |
| 9 |
| 2 |
| 3 |
| 5 |
| 6 |
①
×[
-(
-
)],
=
×[
+
-
],
=
×[1-
],
=
×
,
=
;
②
+
÷(1
-
×
),
=
+
÷(1
-
),
=
+
÷
,
=
+
,
=
.
| 8 |
| 9 |
| 3 |
| 4 |
| 7 |
| 16 |
| 1 |
| 4 |
=
| 8 |
| 9 |
| 3 |
| 4 |
| 1 |
| 4 |
| 7 |
| 16 |
=
| 8 |
| 9 |
| 7 |
| 16 |
=
| 8 |
| 9 |
| 9 |
| 16 |
=
| 1 |
| 2 |
②
| 11 |
| 5 |
| 4 |
| 15 |
| 4 |
| 9 |
| 2 |
| 3 |
| 5 |
| 6 |
=
| 11 |
| 5 |
| 4 |
| 15 |
| 4 |
| 9 |
| 5 |
| 9 |
=
| 11 |
| 5 |
| 4 |
| 15 |
| 8 |
| 9 |
=
| 11 |
| 5 |
| 3 |
| 10 |
=
| 5 |
| 2 |
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