考察等式:
\(C\rlap{_{m}}{^{0}}C\rlap{^{r}}{_{n-m}}+C\rlap{_{m}}{^{1}}C\rlap{_{n-m}}{^{r-1}}+…+C\rlap{_{m}}{^{r}}C\rlap{^{0}}{_{n-m}}=C\rlap{_{n}}{^{r}}\),\((*)\)
其中\(n\),\(m\),\(r∈N^{*}\),\(r\leqslant m < n\)且\(r\leqslant n-m\).
某同学用概率论方法证明等式\((*)\)如下:设一批产品共有\(n\)件,其中\(m\)件是次品,其余为正品\(.\)现从中随机取出\(r\)件产品,记事件\(A_{k}=\{\)取到的\(r\)件产品中恰有\(k\)件次品\(\}\),则\(P(A_{k})= \dfrac{C\rlap{_{m}}{^{k}}C\rlap{_{n-m}}{^{r-k}}}{C\rlap{_{n}}{^{r}}}\),\(k=0\),\(1\),\(…\),\(r.\)显然\(A_{0}\),\(A_{1}\),\(…\),\(A_{r}\)为互斥事件,且\(A_{0}∪A_{1}∪…∪A_{r}=Ω(\)必然事件\()\),因此\(1=P(Ω)=P(A_{0})+P(A_{1})+…+P(A_{r})= \dfrac{C\rlap{_{m}}{^{0}}C\rlap{^{r}}{_{n-m}}+C\rlap{_{m}}{^{1}}C\rlap{_{n-m}}{^{r-1}}+…+C\rlap{_{m}}{^{r}}C\rlap{^{0}}{_{n-m}}}{C\rlap{_{n}}{^{r}}}\),所以\(C\rlap{_{m}}{^{0}}C\rlap{^{r}}{_{n-m}}+C\rlap{_{m}}{^{1}}C\rlap{_{n-m}}{^{r-1}}+…+C\rlap{_{m}}{^{r}}C\rlap{^{0}}{_{n-m}}=C\rlap{_{n}}{^{r}}\),即等式\((*)\)成立.
对此,有的同学认为上述证明是正确的,体现了偶然性与必然性的统一\(.\)但有的同学对上述证明方法的科学性与严谨性提出质疑\(.\)现有以下四个判断:
\(①\)等式\((*)\)成立;\(②\)等式\((*)\)不成立;\(③\)证明正确;\(④\)证明不正确.
试写出所有正确判断的序号:____________.