解5X-2Y=0得Y=5x/2
10X-3Y=10X-3(5x/2)
=(1/2)(20X-15X)=5X/2.
10X+5Y=10X+5(5x/2)
=(1/2)(20X+25X)
=45X/2.
10X-3Y/10X+5Y
=(5X/2)/(45X/2)
=1/9.
已知5X-2Y=0,且XY不等于0,则10X-3Y除以10X+5Y的值
已知5X-2Y=0,且XY不等于0,则10X-3Y除以10X+5Y的值
数学人气：754 ℃时间：2020-05-25 09:12:43
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