x加1的绝对值等于4,x=-5 或 x=3
(y加2)的平方等于4,y=-4 或 y=0
x + y = (-5) + (-4) = -9
x + y = (-5) + (0) = -5
x + y = (3) + (-4) = -1
x + y = (3) + (0) = 3
x加1的绝对值等于4,(y加2)的平方等于4 ,求x加y的值
x加1的绝对值等于4,(y加2)的平方等于4 ,求x加y的值
数学人气:315 ℃时间:2019-10-09 09:15:26
优质解答
我来回答
类似推荐
猜你喜欢
- 1x-y=1,xy=3,求x³y-2x²y²+xy³
- 2在三角形ABC中 角C=90度 AB=10 AC=6 求BC .求面积
- 3因式分解4x平方-17xy+4y平方
- 4碳酸氢钠固体热解成纯碱的化学式
- 5英语翻译
- 6y=3^x^2-4x-5.求函数的单调区间(用导数)
- 7I ( ) music when my father got back home.A listened to B am listening to C will listen to D
- 8英语翻译
- 9This is _____ an interesting book and I like it very much
- 10"请帮我签个名"用英语怎么说?