原来的正方形边长是X厘米
(x+5)^2-95=x^2
x^2+25+10x-95=x^2
10x+25=95
10x=70
x=7
原来的面积是7*7=49(cm^2)
猜你喜欢
- 1海鸥老人 碑文 鸥老人是布衣,.这种品格和精神指什么?
- 2Who is your English teacher 回答是什么?回答要用英语
- 3根据字的不同意思组词.
- 4In North America,most students go to school _______the school bus A on B in C by D at
- 5如图,∠CAE=∠BAD,∠B=∠D,AC=AE,△ABC与△ADE全等吗?为什么?
- 6they have learnt English for years.提问have learnt English
- 7函数f(x)=sin平方x+2倍根号3sinxcosx+3cos平方x.求函数f(x)的最小正周期;
- 8造句造句 爱情…
- 9用两个越来越造句,应该怎么造?
- 10The answer ( ) that question is very difficult 1.of 2.for 3.to 4.in 选哪个,理由?