第二十集
“同学们,今天我们进行的是本学期的期末测试,现在开始发试卷。
“好紧张啊……”
拿到试卷后…………
“为什么我的脑袋里一片空白”
“完蛋了,难道要交白卷吗?”
“算了,写写看吧”
1.《静夜思》的作者是谁_______
这个我知道!
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这一题就……………………
若-2a的x次方b的y次方与7a²b的5次方的和是单项式,则多项式2分之1x³—5分之1y²的值为多少?
“怎么做…………”
“不会啊…………”
“叮叮叮...”下课铃响了...
“怎么这么快,
我才做了一道题啊?” 
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拿到试卷后…………


“完蛋了,难道要交白卷吗?”

“算了,写写看吧”

1.《静夜思》的作者是谁_______
这个我知道!


这一题就……………………
若-2a的x次方b的y次方与7a²b的5次方的和是单项式,则多项式2分之1x³—5分之1y²的值为多少?
“怎么做…………”


“叮叮叮...”下课铃响了...
“怎么这么快,

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----------------------------未完待续--------------------------------------