两个方程式
1) 5=k+b
2) 3=b
则k=5-b=2
所以代数式是 y=2x+3
代数式y=kx+b,当x=1时,y=5,当x=0时,y=3则这个代数式是
代数式y=kx+b,当x=1时,y=5,当x=0时,y=3则这个代数式是
数学人气:246 ℃时间:2020-01-28 22:09:37
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