(-3x^4y^2+2x^2y-1/4x^3y^2)/(-2x)^2
人气:348 ℃ 时间:2020-01-28 09:17:46
解答
原式=3/2x²y²-y+1/8xy²
推荐
- (1/2x^4y^2-1/3x^3y^3-3/4x^2y^4)/(-22/3x^2y^2)
- 用加减法解下列方程组:{4x-4y=1,3x+2y=2 {2x+3y=-4,x+1/2y=3.
- 2X=3Y,4x-5y=2 -6x+5y=3,3x=4y 2x+3y=5,3x=y-9 3x=1-y,3x=2y-5
- 3x+3y+2x-2y=36,4x+4y-5x+5y=2的解
- 解方程组3x+3y+2x-2y=36,4x+4y-5x+5y=2,
- 问点化学反应离子式
- 1.Would you mind closeing the music? OK.I'll do it right __________.
- “莫问桑田事,但看桑落州.数家新住处,昔日大江流.古岸崩欲尽,平沙长未休.想应百年后,人世更悠悠.”唐朝诗人胡玢的诗描述河流沿岸的变化,结合下图和所学知识,回答13-14题.13.关于图中信息说法正确的是:( )
猜你喜欢