题目内容
（0.34×2400×25%+3×7
+26.25÷
）÷25．
| 3 |
| 8 |
| 1 |
| 25 |
（0.34×2400×25%+3×7
+26.25÷
）÷25，
=（0.34×24×25+3×7
+26.25×25）×
，
=（8.16×25+22.125+26.25×25）×
，
=8.16×25×
+22.125×
+26.25×25×
，
=8.16×（25×
）+22.125×
+26.25×（25×
），
=8.16+0.885+26.25，
=9.045+26.25，
=35.29．
| 3 |
| 8 |
| 1 |
| 25 |
=（0.34×24×25+3×7
| 3 |
| 8 |
| 1 |
| 25 |
=（8.16×25+22.125+26.25×25）×
| 1 |
| 25 |
=8.16×25×
| 1 |
| 25 |
| 1 |
| 25 |
| 1 |
| 25 |
=8.16×（25×
| 1 |
| 25 |
| 1 |
| 25 |
| 1 |
| 25 |
=8.16+0.885+26.25，
=9.045+26.25，
=35.29．
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