通分题100道及答案

晏牧侮4290几道分式通分题1/m和1/(m+1)1/x+y和1/x+xy1/(a+b)和1/(b+c)和1/(c+a)1/x+y和y+m第4个打错了是1/x+y和1/y+m -
宿雨昨19116431120 ______[答案] 只要知道这几个式子的最简公分母就可以做了 1、m(m+1)2、(x+y)(x+xy) 3、(a+b)(b+c)(c+a)4、(x+y)(y+m) 剩下的估计你没有问题吧!加油!

晏牧侮4290数学通分小练习.好人快过来帮帮忙,不多不多,3题而已…… -
宿雨昨19116431120 ______ 63分之54和63分之56 105分之310和105分之413 108分之40和108分之37

晏牧侮4290约分题100道答案 -
宿雨昨19116431120 ______ 24/18=4/3 10/8=5/4 104/65=8/5 85/34 =5/2 108/12=9/10 500/120=25/6 21/15=7/5 80/32=5/2

晏牧侮4290通分互质的不互质的各出十道包括答案 -
宿雨昨19116431120 ______ 不互质的通分题,示例如上

晏牧侮4290谁有初二数学通分题目!急急急急急!!!
宿雨昨19116431120 ______ 分式练习题 1.与的______相同,称为______分数,+=______,法则是________________;与 的______相同,称为_______分式,±=_______.法则是:____________. 2.与的______不同,称为______分数,+=______,运算方法为___...

晏牧侮429020道约分练习题 -
宿雨昨19116431120 ______[答案] 100/25=4/1 125/5=25/1 45/9=5/1 24/6-4/1 81/9=9/1 36/6=6/1 460/20=23/1 150/9=50/3 240/140=12/7 235/5=47/1 60/12=5/1 50/5-10/1 24/30=12/15 34/34=1 81/72=9/8 150/120=5/4 20/25=4/5 45/35=9/7 120/240=2 21/15=7/5

晏牧侮4290初二下的一道简单通分题!
宿雨昨19116431120 ______ x2=y2=(x+y)(x-y) x2+xy=x(x+y) 所以公分母是x(x+y)(x-y) 请采纳回答

晏牧侮4290x - y/2x+2y与xy/(x+y)^2 初二通分题 两道 100财富x - y/2x+2y与xy/(x+y)^2 2mn/4m^2 - 9与2m - 3/2m+3 -
宿雨昨19116431120 ______[答案] x-y/2x+2y与xy/(x+y)^22x+2y与(x+y)^2的最小公倍数是2(x+y)^2x-y/2x+2y=x-y/2(x+y)=(x-y)(x+y)/2(x+y)^2=x^2-y^2/2(x+y)^2xy/(x+y)^2=2xy/2(x+y)^22.2mn/4m^2-9与2m-3/2m+34m^2-9=(2m)^2-3^2=(2m+3)(2m-3)与2m+3的...

晏牧侮4290一道数学通分题 -
宿雨昨19116431120 ______ 解: 2xy/(x+y) ²= 2xy/((x+y)(x+y)) x/(x²-y²)=x/((x+y)(x-y))所以公分母为 (x+y)(x+y)(x-y)所以通分结果为: 2xy/(x+y) ² = 2xy(x-y)/((x+y) ²(x-y)) x/(x²-y²) = x(x+y)/((x+y) ²(x-y))

晏牧侮4290x - y/2x+2y与xy/(x+y)^2 初二通分题 两道 100财富 -
宿雨昨19116431120 ______ 1. x-y/2x+2y与xy/(x+y)^22x+2y与(x+y)^2的最小公倍数是2(x+y)^2 x-y/2x+2y=x-y/2(x+y)=(x-y)(x+y)/2(x+y)^2=x^2-y^2/2(x+y)^2 xy/(x+y)^2=2xy/2(x+y)^22.2mn/4m^2-9与2m-3/2m+34m^2-9=(2m)^2-3^2=(2m+3)(2m-3)与2m+3的最小公倍数是4m^2-92mn/4m^2-92m-3/2m+3=(2m-3)^2/(2m+3)(2m-3)=(2m-3)^2/4m^2-9