1 .
吨大豆可榨油
吨,要榨
吨油需大豆________ 吨.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4700efcb84c4027ce7a50af0d5212fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eed9556afb35e625af4580e57d0130.png)
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2 . 小明在做分数乘除法练习时,把除以
错写成乘以
,结果是
,则这道题的正确的答案是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f718ec86675a3a4c0cdb556a19b23e70.png)
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名校
3 . 甲数的
等于乙数的
,乙数的
等于丙数的
.则甲、乙、丙三个数的大小关系是( ) (请用“>”连接)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
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4 . 果园里苹果树的棵数是梨树的
,桃树的棵数是梨树的
,桃树有280棵,苹果树有多少棵?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab44a7dc9c035687a33f6e065392359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
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5 . 解方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62783e4792cfed39aa2427b0de9bc3f8.png)
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名校
6 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab582a822139c5a26723c8a3c8d09d81.png)
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7 . 计算下列各题.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f85d3a0e2dc41e5a5ae337731ac6.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122ce682c4755932b0c720b061dd1143.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdce398b391f54fcfcc855bf2763dcb2.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f85d3a0e2dc41e5a5ae337731ac6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122ce682c4755932b0c720b061dd1143.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdce398b391f54fcfcc855bf2763dcb2.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18535fe3f22db7a75347d436bb3d941.png)
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8 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbc448e2bc5db1f9a2a3bbd78d4702f.png)
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9 . 计算下面各题,能简算的要简算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de856551043d740310aa8c5352f88e7.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42adbfefab662e21447e4e9cab41658.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de856551043d740310aa8c5352f88e7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42adbfefab662e21447e4e9cab41658.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5032cfda2f4c57234a10ebca8efb1f9a.png)
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10 . (1)计算
①
;
②
.
(2)化简比
①
;
②
分:
时.
(3)解方程.
①
;
②
;
③
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c199bb735878d510af4b5f9087978ed.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f39bbca7fff1ad9c7720528a8cbaf3a.png)
(2)化简比
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ce82e2e99d9796550cb567cd98a483.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc032171884de00fe8b2128dcafd196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411224df0a38191d01cfab0dddc1c2dc.png)
(3)解方程.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e8fe5f4304dca11f85499964ec841a3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3689c82c1133198524421746370349d2.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/581a2d2578dc0e0e33a9161c8d1af4b6.png)
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