1 . (1)计算∶![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7a8a06d93bc0d238ad78be20d2644c.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7a8a06d93bc0d238ad78be20d2644c.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b0d389a6b5620e3c1af49f3a26e28e.png)
您最近一年使用:0次
2 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac876aac049a100c992f7c333853174c.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac876aac049a100c992f7c333853174c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa030108d5958aa4a1cec1e4d64869e9.png)
您最近一年使用:0次
3 . 计算:(1)
-2
=____ ;(2)
+
=____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea872287a155776bf38d4a4cab7e464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f66fc51d58aae7aba5028fca8bd48a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83883af1551c69a513e24e9389fc049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4cee6655a37fc8243928b5dbb09fd4.png)
您最近一年使用:0次
4 . 计算:
(1)
;(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01856f82ca729e3940be98a0ec9812d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2c3d191a3992ec4784d66e325ac96b.png)
您最近一年使用:0次
5 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17e15068723ba3bc65c958b2de6d2c6.png)
(2)(
﹣1)(
+1)﹣2(1﹣2
)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17e15068723ba3bc65c958b2de6d2c6.png)
(2)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2022-08-05更新
|
48次组卷
|
2卷引用:浙江省金华市义乌市稠州中学教育集团2021-2022学年八年级下学期期中数学试题
6 . (1)已知
,试比较
的大小,并写出比较过程;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186549975742046acedd68c5577b241a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2129c901a508c546f82efe4fd539b445.png)
您最近一年使用:0次
7 .
计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d42f8d5d4316b995ff7b518c70a41a.png)
解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d42f8d5d4316b995ff7b518c70a41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e0ace1ca79428ee5f1e6caf0a5ced0.png)
您最近一年使用:0次
8 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7a551e746424735f951e57c5b76430.png)
(2)解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7a551e746424735f951e57c5b76430.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b375f539fcb6fd0b95133e79f023b7ce.png)
您最近一年使用:0次
2019-09-24更新
|
178次组卷
|
3卷引用:浙江省温州市苍南县2018-2019学年八年级下学期期末数学试题
9 . 如图,
为
的直径,且
,点
为
上半圆的一点,
于点
,
的角平分线交
于点
,弦
,那么
的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/e470a9c1-74e5-4a00-b445-fecf533b9c16.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f732fce92dd33b28a254c2b1ae2261e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f913298f0fae9f55377a8deab9f099dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce77e9b3018db01b344ee975dfa21d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addb8e20db1fbb40f17dea52f951b907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/e470a9c1-74e5-4a00-b445-fecf533b9c16.png?resizew=141)
A.80 | B.85 | C.90 | D.95 |
您最近一年使用:0次
10 . 计算
(1)
;
(2)
;
(3)已知:x=1﹣
,y=1+
,求x2+y2﹣xy的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef4046e09f4c1f218b144a718ba25c2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effd9cb85620c8fbbc13a0747ebf6e86.png)
(3)已知:x=1﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次
2020-05-07更新
|
124次组卷
|
2卷引用:浙江省绍兴市越城区绍初教育集团2019-2020学年八年级下学期期中数学试题