二次根式50道典型计算题
6?233?322
1. 45?
45?8?42 2.
23.
2?1?18?412 4. (548?627?415)?3
1xyy?1?8x?8x?1?,求代数式??2?2yx5.已知:
6. ?3?(?16)(?36); 7. 2?
xy??2的值。yx
13?6; 3
8. 131?23?(?10); 9. 10x?10?1y?100z. 52
10.
?45220; 11.
12. 123?213?125; 13.
14. 27132?122527; 15.
0.01?810.25?144;
3a2b?(ba?21b). ?abcc322a4b.
120?4,求x2?2的值. 2x16. 已知:x?
17. ?1?.2?32 ?2?.5x?3x
3
?3?.5ab???4a3b??a?0,b?0?
?5?.123?2123?15
?4?.a3b6?ab?af0,bf0?
?6?.2?bbab5??33???2ab???3a
二次根式50道典型计算题
二次根式50道典型计算题6?233?3221.45?45?8?422.23.2?1?18?4124.(548?627?415)?31xyy?1?8x?8x?1?,求代数式??2
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