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֪Rc

2020ДWһԪη̡֪RcY

1. һԪη̵һʽ: a 0rax2+bx+c=0һԪη̵һʽоһԪη̵P}r}ҪȻһʽĿǴ_һʽеa b c; a  b,cǾwҲǺ

2020-05-25

2020ДW֪Rcw{һԪη

һԪηdzДWҪпğcڌWһԪһηԪһηʽ̵ȻA֮όWҲһNWģķWһԪηnjWöκɻȱnjWøДWĵ

2020-05-25

2020ДWһԪη֪Rc

һxc 1һԪη̣һδ֪δ֪ߴΔ2ʽ̽һԪη 2һԪη̵һʽaxƽ+bx+c=0(a 0)ǣʽ߅һPδ֪xĶζ

2020-05-25

ДW֪Rc֮һԪη䷽

䷽ һԪη̕rڷ̵߅һϵһƽٜpȥ@ʹúδ֪һȫƽʽ@N䷽䷽Ϳʽֱֽⷨ_ƽ@ӽһԪη̵ķ

2019-10-10

һԪη

1.һԪη 2.һԪη̸cϵPϵ: (4)cϵPϵđã ⷽøcϵPϵԙzɂDzһԪη̵ăɸ; δ֪ϵ̵֪һ

2019-09-16

һԪη̸cϵPϵ

һԪη̸cϵPϵ: (4)cϵPϵđã ⷽøcϵPϵԙzɂDzһԪη̵ăɸ; δ֪ϵ̵֪һøcϵPϵ

2019-09-16

֪Rcп̸֮cϵPϵ

п̸֮cϵPϵ

2019-05-27

пW֪RcһԪη̵ijҊ}

һԪη̵ijҊ}

2019-05-27

2019пW֪Rc:

2019-05-17

2019пW֪Rc:һԪη̸Єeʽ

һԪη̸Єeʽ

2019-05-15

2019пW֪Rc:һԪη̵Ľⷨ

һԪη̵Ľⷨ

2019-05-15

2019пW֪Rc:һԪη̵ĸ

һԪη 1һԪη һδ֪δ֪ߴΔ2ʽ̽һԪη 2һԪη̵һʽ ǣʽ߅ʮһPδ֪xĶζʽʽ ߅н

2019-05-15

2019пW֪RcһԪη

һԪη 1һԪη һδ֪δ֪ߴΔ2ʽ̽һԪη 2һԪη̵һʽ ǣʽ߅ʮһPδ֪xĶζʽʽ߅н

2018-12-28

2018пWһԪη̷R

һ݆п俼ʽ_ʼпWλ˸WƵďҪпؿcп?Zʶ?Əԇ}ɵȃλ֪R}j}˼·ϣλ

2017-08-30

2018пW֪Rcg䷽һԪη

һ݆п俼ʽ_ʼпWλ˸WƵďҪпؿcп?Zʶ?Əԇ}ɵȃλ֪R}j}˼·ϣλ

2017-08-25

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