题目内容
| ①625×80-2520÷24 | ②（6+10.88÷3.2）×1.5 | ③
| ④[（
|
①625×80-2520÷24，
=50000-105，
=49895；
②（6+10.88÷3.2）×1.5，
=（6+3.4）×1.5，
=9.4×1.5，
=14.1；
③
×
+
÷9，
=
×
+
×
，
=（
+
）×
，
=
×
，
=
；
④[（
-
）÷14]×
，
=[（
-
）×
]×
，
=[
×
]×
，
=
×
，
=
．
=50000-105，
=49895；
②（6+10.88÷3.2）×1.5，
=（6+3.4）×1.5，
=9.4×1.5，
=14.1；
③
| 1 |
| 9 |
| 10 |
| 13 |
| 8 |
| 13 |
=
| 1 |
| 9 |
| 10 |
| 13 |
| 8 |
| 13 |
| 1 |
| 9 |
=（
| 10 |
| 13 |
| 8 |
| 13 |
| 1 |
| 9 |
=
| 18 |
| 13 |
| 1 |
| 9 |
=
| 2 |
| 13 |
④[（
| 6 |
| 5 |
| 1 |
| 2 |
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=[（
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=[
| 7 |
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| 1 |
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=
| 1 |
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=
| 1 |
| 15 |
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