题目内容
用简便方法计算．
10.25+5.89+0.75+4.11
÷8+
×
．
10.25+5.89+0.75+4.11
| 15 |
| 17 |
| 2 |
| 17 |
| 1 |
| 8 |
10.25+5.89+0.75+4.11
=（10.25+0.75）+（5.89+4.11），
=11+10，
=22；
÷8+
×
=
×
+
×
，
=（
+
）×
，
=1×
，
=
．
=（10.25+0.75）+（5.89+4.11），
=11+10，
=22；
| 15 |
| 17 |
| 2 |
| 17 |
| 1 |
| 8 |
=
| 15 |
| 17 |
| 1 |
| 8 |
| 2 |
| 17 |
| 1 |
| 8 |
=（
| 15 |
| 17 |
| 2 |
| 17 |
| 1 |
| 8 |
=1×
| 1 |
| 8 |
=
| 1 |
| 8 |
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