二次根式混合计算
1.计算题 (1)
2.计算:(1?2)(1?2)?50?232?12?3? 3.2
4.计算:(2-3)(2+3)+??1?
0
5.计算(?-3)-(2?1)(2?1)+12? (2)
.
182??2?2.
21 ?24?96?3627-48+112+75 22010??1?2??-??
?2?0??13?2
0
6、计算:9(3?1)+2(2?118?8)??(22?3)2 22
试卷第1页,总5页
?7.计算(1
2014)(
1111+++…+)
1?22?33?42013?2014118?88.计算:2×(2+)-
3?1?2-|2-3|+. ???222
9.计算:6?2?24?3?48.
10.计算:(1)1332+
128-
1550; (2)(5-2
(3)(1+2+3)(1-2-3); (4)(
11.计算:(1)(24?12)?(18?6)
12、计算(?2)2?2(2?2)?63
13、计算: (1)8?313?132?2
?2?86)×(2-3);
12-4
18)(213-40.5). (2)212?34?52 (1)3?27+(?3)2-3?1 (2)(7?5?3)(7?5?3)试卷第2页,总5页
14、3?27?0? 15、已知
16、计算:⑴ 36?4236?42 ⑵ (3)?(??3)?27?
17、计算(1)
﹣
×
(2)(6
﹣2x
)÷3
.
x?2?2?32?,y?32?3,223求值:2x?3xy?2y.
136311?0.125?31?)?2(?6) .(24?46428????203?2
???3613?20.计算:?312?2 12?2?? ?48?23????2???23????
21.计算22.(1)(5?3?
2)(5?3?2) (2)25(420?345?25)
2??6? (2)35?2335?23 22.计算:(1)22?12?27?3????????
试卷第3页,总5页
23.化简:(1)
150?32 (2)(6?215)?3?6
282(3)(32?1)(32?1)?(3?2); (4) (127-324+32)?12 3
24.计算(1)212?
(3)(?3)?27?|1?2|?
(5)??1?
(7)(?1)
(9)25?(?7)2?(3)2 (10)(23?2)?8?
(11)32?222012-1 (6)6?2?24?3?48 +8??π?2??3?6+2?(2)03?52 (2)4
013?2 (4)51154+20???45?5 5245201211148?27 ??5?()?1?327?(2?1)0 (8)312?3?3221?(33?25)(33?25) 31a12a?0.5; (12)3a2?3? 8223(13)(23?32)(23?32) (14)2?8?218 (15)12?
试卷第4页,总5页
11212?3?(16)?(1?3)0 273 3
试卷第5页,总5页