原式=xy/2x-3y * 3(2x-3y)/2x²y²
= 3xy/2x²y²
= 3/2xy
初一下数学(分式的运算)
初一下数学(分式的运算)
计算分式:
xy/2x-3y*6x-9y/2x²y²
注:“*”是乘号“²”是平方
计算分式:
xy/2x-3y*6x-9y/2x²y²
注:“*”是乘号“²”是平方
数学人气:674 ℃时间:2020-04-08 03:32:24
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