因式分解同步练习及答案3内容摘要:
b) ③( 2m3n) 3247。 ( 4m3n2)( 3n) 2 ④( 34 a6b3+65 a3b4910 ab3)247。 ( 35 ab3) 10.化简求值:( x2)( x3) +2( x+5)( x5) 3( x25x13),其中 x=2. 21世纪教育网 [来源 :] 11.利用乘法公式计算: ① 202024012 2020+20202 ② 998 1002 12.已知多项式 3x2kxy8y2除以 x2y,商式为 3x+4y,余式为 0,试求 k 的值.。因式分解同步练习及答案3
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B:Yes,I you have any ideas? A:What 2 going to the zoo? B:That39。 s a good 3 . A:There are some 4 animals in the zoo. B:What are they? A:Some wolves,giraffes 5 kangaroos. B:Really?Where are they 6 ? A
84+3= 3510= 71+9= 184= 66+20= 833= 72+5= 605= 36+3= 58+30= 287= 8710= 806= 11+9= 803= 954= 64+3= 984= 25+7= 129= 83+5= 83+10。
ing for rides. Many of them were young women. Don’t they understand how dangerous it is to get into the car driven by a stranger? How much do they know about the driver? Is he a good driver or not?
2、肥、尿素或者复合肥,每株半两浇施。 若撒施,要结合中耕,将肥料施在距幼树 20 公分以外的周围,并用土盖好,如追施化学肥料,每隔 12 月一次,1012 月份还要重施一次基肥。 3、病虫害防治。 今年新田的木瓜病虫害较重已影响到木瓜的生长,当前要做好以下防治工作。 病害:(1)灰霉病:侵染木瓜的幼苗、幼树的嫩芽和嫩叶,明显特征是:嫩叶嫩茎凋萎、卷曲、发黑,大部分幼苗的根、茎易感染病
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