2.1
璁よ瘑鏃犵悊鏁帮紙浜岋級
鍩虹瀵肩粌
1.
涓嬪垪鏁颁腑鏄棤鐞嗘暟鐨勬槸锛?/p>
锛?/p>
A.0.12
飩?
飩?/p>
3
2
B.
2
飦?/p>
C.0
D.
7
22
2.
涓嬪垪璇存硶涓纭殑鏄紙
锛?/p>
A.
涓嶅惊鐜皬鏁版槸鏃犵悊鏁?/p>
B.
鍒嗘暟涓嶆槸鏈夌悊鏁?/p>
C.
鏈夌悊鏁伴兘鏄湁闄愬皬鏁?/p>
D.3.1415926
鏄湁鐞嗘暟
3.
涓嬪垪璇彞姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A.3.78788788878888
鏄棤鐞嗘暟
B.
鏃犵悊鏁板垎姝ｆ棤鐞嗘暟銆侀浂銆佽礋鏃犵悊鏁?/p>
C.
鏃犻檺灏忔暟涓嶈兘鍖栨垚鍒嗘暟
D.
鏃犻檺涓嶅惊鐜皬鏁版槸鏃犵悊鏁?/p>
4.
鍦ㄧ洿瑙掆柍
ABC
涓紝鈭?/p>
C
=90
掳锛?/p>
AC
=
2
3
锛?/p>
BC
=2
锛屽垯
AB
涓猴紙
锛?/p>
A.
鏁存暟
B.
鍒嗘暟
C.
鏃犵悊鏁?/p>
D.
涓嶈兘纭畾
5.
闈㈢Н涓?/p>
6
鐨勯暱鏂瑰舰锛岄暱鏄鐨?/p>
2
鍊嶏紝鍒欏涓猴紙
锛?/p>
A.
灏忔暟
B.
鍒嗘暟
C.
鏃犵悊鏁?/p>
D.
涓嶈兘纭畾
6.
鍦?/p>
0.351
锛?/p>
锛?/p>
3
2
锛?/p>
4.969696
鈥?/p>
,
6.751755175551
鈥?/p>
,
0,
锛?/p>
5.2333,
5.411010010001
鈥?/p>
涓?/p>
锛?/p>
鏃?/p>
鐞?/p>
鏁?/p>
鐨?/p>
涓?/p>
鏁?/p>
鏈?/p>
______.
7.______
灏忔暟鎴?/p>
______
灏忔暟鏄湁鐞嗘暟锛?/p>
______
灏忔暟鏄棤鐞嗘暟
.
8.
x
2
=8,
鍒?/p>
x
______
鍒嗘暟锛?/p>
______
鏁存暟锛?/p>
______
鏈夌悊鏁?/p>
.(
濉�滄槸鈥濇垨鈥滀笉鏄�?/p>
)
9.
闈㈢Н涓?/p>
3
鐨勬鏂瑰舰鐨勮竟闀?/p>
______
鏈夌悊鏁帮紱
闈㈢Н涓?/p>
4
鐨勬鏂瑰舰鐨勮竟闀?/p>
______
鏈夌悊鏁?/p>
.(
濉?/p>
鈥滄槸鈥?/p>
鎴栤�滀笉鏄�?/p>
)
10.
涓�涓珮涓?/p>
2
绫筹紝瀹戒负
1
绫崇殑澶ч棬锛屽瑙掔嚎澶х害鏄?/p>
______
绫?/p>
(
绮剧‘鍒?/p>
0.01).
鑳藉姏鎻愬崌
11.
宸茬煡锛氬湪鏁帮紞
4
3
锛岋紞
飩?
飩?/p>
2
4
.
1
,
蟺
,3.1416,
3
2
,0,4
2
,(
锛?/p>
1)
2
n,
锛?/p>
1.424224222
鈥炰腑锛?/p>
锛?/p>
1
锛夊啓鍑烘墍鏈夋湁鐞嗘暟锛?/p>
锛?/p>
2
锛夊啓鍑烘墍鏈夋棤鐞嗘暟锛?/p>
锛?/p>
3
锛夋妸杩欎簺鏁版寜鐢卞皬鍒板ぇ鐨勯『搴忔帓鍒楄捣鏉ワ紝骞剁敤绗﹀彿鈥?/p>
<
鈥濊繛鎺?/p>
.
12.
鎴戜滑鐭ラ亾锛屾棤闄愪笉寰幆灏忔暟鍙棤鐞嗘暟
.
璇曟牴鎹棤鐞嗘暟鐨勬剰涔夛紝璇蜂綘鏋勯�犲啓鍑轰袱涓棤鐞嗘暟
.