脱式计算：12×（23+16）24×536-38710×516÷213286×485917×17+517÷725÷（34+25）-数学
=2
| 23 |
| 24 |
③
| 7 |
| 10 |
| 5 |
| 16 |
| 21 |
| 32 |
=
| 7 |
| 10 |
| 32 |
| 21 |
| 5 |
| 16 |
=
| 1 |
| 3 |
④86×
| 4 |
| 85 |
=（85+1）×
| 4 |
| 85 |
=85×
| 4 |
| 85 |
| 4 |
| 85 |
=4+
| 4 |
| 85 |
=4
| 4 |
| 85 |
⑤
| 9 |
| 17 |
| 1 |
| 7 |
| 5 |
| 17 |
=
| 9 |
| 17 |
| 1 |
| 7 |
| 5 |
| 17 |
| 1 |
| 7 |
=（
| 9 |
| 17 |
| 5 |
| 17 |
| 1 |
| 7 |
=
| 23 |
| 24 |
| 7 |
| 10 |
| 5 |
| 16 |
| 21 |
| 32 |
| 7 |
| 10 |
| 32 |
| 21 |
| 5 |
| 16 |
| 1 |
| 3 |
| 4 |
| 85 |
| 4 |
| 85 |
| 4 |
| 85 |
| 4 |
| 85 |
| 4 |
| 85 |
| 4 |
| 85 |
| 9 |
| 17 |
| 1 |
| 7 |
| 5 |
| 17 |
| 9 |
| 17 |
| 1 |
| 7 |
| 5 |
| 17 |
| 1 |
| 7 |
| 9 |
| 17 |
| 5 |
| 17 |
| 1 |
| 7 |
