计算:(2x的n次方-3y的m+1次方)的平方=---------
计算:(2x的n次方-3y的m+1次方)的平方=---------
数学人气:639 ℃时间:2020-01-31 01:31:06
优质解答
=4x^2n-12xy^mn+n+9y^2m+2
我来回答
类似推荐
猜你喜欢
- 1甲书架比乙书架少15本书,若从甲里拿20本书给乙,甲等于乙的十六分之五.甲乙各多少本书?用方程
- 2they are twin
- 3某同学用两节串联的干电池作电源做伏安法测电阻实验,结果发现:闭合电键前电流表的示数为零,电压
- 4-oh可以和hcl反应?
- 5小粗心,太大意,计算减法看错题,被减数个位的8抄成3,减数十位的2抄成5,这样算出的差是305.你知道正确得数是几吗?
- 6设Y=f(x)在[0,+∞)上有定义,对于给定的实数K,定义函数fk(x)={Af(x),f(x)≤K,B,K,f(x)>K
- 7l have more appler than you(改成同义句)
- 8Do you know David? 下句是Yes.I know him very什么. A答案goodB答
- 9lucy does her homework in the evening the homework【】【】【】Lucy in the evening改为被动语态
- 10It is a long time since it last rained.We are ________ a heavy rain.A.hope for B.hope C.hoping