一道数学问题
1.y=6000+6000(1-25%)(x-1).请化简这个算式,并把化简的过程一步一步写出来.
参考答案:y=6000+6000*0.75(x-1)
=6000+4500(x-1)
=6000+4500x-4500
=6000-4500+4500x
=1500+4500x
1.y=6000+6000(1-25%)(x-1).请化简这个算式,并把化简的过程一步一步写出来.
参考答案:y=6000+6000*0.75(x-1)
=6000+4500(x-1)
=6000+4500x-4500
=6000-4500+4500x
=1500+4500x