计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/11 21:58:19
计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x²-x²-y²)]
![计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x](/uploads/image/z/15057552-48-2.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E5%90%84%E9%A2%98%3A%5B2%2F3x%26%23178%3B-2%2F%28x%26%23178%3B%2By%26%23178%3B%29%E4%B9%98%E4%BB%A5%28x%26%23178%3B%2By%26%23178%3B%29%2F3x)
2/3x²-2/(x²+y²)*(x²+y²)/3x²-x²-y²
=2/3x²-2/3x²-x²-y²
=-x²-y²
您所写的式子是这样子的吗?
=2/3x²-2/3x²-x²-y²
=-x²-y²
您所写的式子是这样子的吗?
计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x
计算3x[xy-2x(1/y-x/3]+3y(x²-y²)
1.计算:x-y分之x+y + y-3分之2x 2.计算:x+3分之x²-x-2 除以 (2-x) + x+3
初二计算:3x²/4y)² 乘以(2y/3x)加上(x²/2y²)除以(2y
计算(x²/x+2y)-x+2y-2
[(3x+y)²-(3x-y)²]÷(4x-2y)计算 怎么做?
数学用乘法公式计算(x+y+1)(x+y-1)(2x-y-3)²
(x-y)·2(x-y)²·3(x-y)³ 计算
(x-y)X(2x-2y)²X(3x-3y)²
计算(2x-3y)²-(4y-3x)(4y+3x) (x+3)²-2(x+5)(x+1)+(x-2)
计算:【[2/(3x)-2/(x+y)×[(x+y/(3x)-x²-xy)]】÷(x-y)/x
计算x²-4/x²-x-2 乘以 x²-x/x²+3x+2