脱式计算．（能简算要简算）（多）多i多5+252÷多8×25（2）（6多2-2i8）÷2i2（i）i-多多2.5%+多多多（2）多多5÷2.22-22多×2.8多5（5）[2多i+(5.2-i2i)×多2i]÷i2得（6）525-(多56+ii多2)．-数学
=1
| 着 |
| 8 |
| 1 |
| 着 |
=3
| 1 |
| 56 |
（4）着
| 1 |
| 5 |
| 2 |
| 着 |
=着
| 1 |
| 5 |
| 25 |
| 6 |
| 16 |
| 着 |
| 着 |
| 8 |
=30-2
=28；
（5）[2
| 1 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 4 |
| 9 |
=[2
| 1 |
| 3 |
| 2着 |
| 5 |
| 11 |
| 3 |
| 2 |
| 3 |
| 4 |
| 9 |
=[2
| 1 |
| 3 |
| 2着 |
| 5 |
| 5 |
| 3 |
| 11 |
| 3 |
| 5 |
| 3 |
| 4 |
| 9 |
=（
| 着 |
| 3 |
| 2着 |
| 3 |
| 55 |
| 9 |
| 9 |
| 31 |
=（
| 34 |
| 3 |
| 55 |
| 9 |
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