.
移項得：y-3＝x
所以y>x
若8x+9y-3=8y+9x,利用等式性質(zhì)比較x與y的大小?
若8x+9y-3=8y+9x,利用等式性質(zhì)比較x與y的大小?
數(shù)學(xué)人氣：308 ℃時間：2020-06-03 18:24:15
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