中考复习专项训练——数的运算(1)
计算下列各题01.18?????3?7???2?1??2.3.27?1?tan60??(??3.14)0?(1)?1
25.?12?12?(π?4)0?tan60?
.7.18tan30o?
(??4)0??69.3(3??)0?20?155?(?1)201111.|4|?(1?10?2)?(3?1)?8cos45;-1-2.(?
14
)?1??3??3-??0
?2cos45?.4.(1)?22?(??2011)0?|?2|?2cos45?
?1
6.8?4sin45??(3??)0
???1??4??
.?1??1
8.(??5)0???3??
?tan450?22?(?1)2011
10.(12)-
2-|22-3|+38?12.4??π-2?02?|?5|??-1?2012???1??3??
.中考复习专项训练——数的运算(2)
计算下列各题13.(
cos30?23)??0?2?2?(?1)3;15.?5?2cos600?+?2?1??2??+?2???0;17.?6?8?4sin450?(?1)
2012
;?1
19.4cos45°+(π+3)0-8+??1?
?6??
;21.?2?(?1)
2012
?(??3)0
?8?(?2)?2
;?223.????1?2???1?3??2012?1?0+2sin600+82;-2-14.1?sin30??(?2)?2?(5?2)016;16.?1?2sin30??(??3.14)0
?(1)?2
2
;18.|-3|+2-
1+12(π-3)0-tan60°;?1?120.????3???3tan600+?1?2?0+12;22.?2sin300?1?2?????3??+?2???0?38+??1?201224.?22?12+1?4sin602+?2?0????3??.中考复习专项训练——数的运算(3)
计算下列各题25.??1?2012??3???0?3?1??8+1??2??;27.(?2012)0?8?4sin45??(1?12
);29.1?2?2sin450+???3014?0+2?2;31.(1020122)?1????3.14??2tan45????1?;?133.?2012???0???1??+3?2+3tan300?3?;?135.?3?12?2sin60????1?
?3??
;-3-26.(?2)
?2?sin30o?1?(?1
)o?
1?16
.0?1
28.1?12?(?1)2012?????3?1??8?8???64???3??
30.4cos450?8+??+3?0+??1?2?132.3?3+??1??3????2012???0+2cos300.34.?1?(3??)0?(1?12)?tan450?36.??2?2??1+?20121???0???1??2??.