专题五:二次根式的运算
(1)325 (2)81?36
(3)0.04?0.25 (4) 6?2
(5)0.36?4121
(7) 27?3?4
(9)38?232?50
(11) 93?712?548
(13) (1) 5 ? ??? 15- 4 3 ?? ; ?5? ?
3 (6)63 (8)212?48 (10)(3?1)2 (12)80?5?50?214)29?50?32 (
(15)0.2900?0.5121 (16)(3?1)2
(17)(7?43)(2?3)2 (19)43?32?98
(21)(?1)2006?(3?2)0?(12)?1
(23)12??3?(?2006)0?(12)?1
(25) 43?213?1375
318)21?73
(20)(1?5)(5?2)
(22)(3?2)2002?(3?2)2003 (24) 320?45?15 (26)12?112?23 ( (27)484?12
112?20.25?1?0.75 (28)(1)2?()2 4255(29)(?3)?2?8?1?22?(6?3)0 (30)18?
(31)340?
1112?6?40.75 22211?2?8?(1?2)2 (32)4(3?7)0?510224?(33)11?4??(1?2)0.38
解下列一元一次方程:
(1)3(x-2)=2-5(x-2) (2) 2(x+3)-5(1-x)=3(x-1)
(3) 3(x?1)?2(x?2)?2x?3 (4) 3(x?2)?1?x?(2x?1) (5) 2x-13 =x+22 +1 (7) x?83??x (9 ) 34x?0.4?12x?0.3
(11) 3y?12?2?5y?743
(6) 1x?3?12?1 (8) 3?1.2x?45x?12
(10) 3x?14x?22?5?1 (12) 53?6x??72x?1
(13)
1?m3?3my?1y?2??1 (14) y? ?2?2425(15)x?1?xx?23?xx?8??1 (16) ??1 36
(17) 12(x-3)=2-12(x-3) (19) x?10.2?x?30.01?3 (20) (21)
x?1x?24?x3?6?2 (22)
23 (18)x?20.2?x?10.5?3 x?24?2x?36?1 3?2??4??1?2??x?3???3???2x