已知a+b=10，a³+b³=100，求a²+b²的值？这题出得非常好

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初中数学，已知a+b=10，a³+b³=100，求a²+b²的值？

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a³+b³=? , a³-b³=?

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美国竞赛题：已知a+b=1，ab=1，求a³+b³的值

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初中数学竞赛题：已知（a+b）²=a³+b³，求正整数a，b的值

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(a+b)³=? , (a-b)³=?

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a³+b³=(a+b)(a²-ab+b²) l a³-b³=(a-b)(a²+ab+b²) l a3+b3 proof l a³-b³ proof

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北京市中考题，已知a+b+c=0，求证a³+b³+c³=3abc,学霸解法绝了

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德国二年级奥数，找规律题，不简单，快来动脑想一想吧

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If (a + b)/3 = a/3 + 6, then b =? Many don’t know this MATH HACK to approach this problem!

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What is Algebraic Formulas ?| How to remember easily ? (In Hindi)

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Simplifying a^3+b^3+c^3-3abc

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HSK3 - Lesson 10 数学比历史难多了

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a2 - b2 = (a+b) (a- b) but WHY Proof that a2 - b2 = (a+b) (a - b) !!! Math Mantra Video !!!

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how to simplify difference of two cubes ( show that a³- b³ = (a - b)(a²+ ab + b)

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Algebraic Identity (x + a)(x + b) Formula Proof, Maths Activity, Project, TLM

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Algebraic identities working model || (a+b)whole cube proved

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If \\( a+b=10 \\) and \\( a b=21 \\), find the value of \\( a^{3}+b^{3} \\)

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If a/b + b/a =1, then find the value of a³ + b³.

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中考数学：已知a²+b²=4ab，ab=1，求a² b²的值？这方法真不错

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1960年高考题，已知b²=16，a-√a=2，求ab，当年很多学霸都错了

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初中数学：已知8^9=a,9^8=b,用含a,b的式子表示72^72

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How to derive identity a³+b³ 💁👌😍 A cube + b cube (a3+b3)

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algebra formula ✖️➕➖➗ बीजगणितीय सूत्र #algebra #formula #shorts

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已知a²+b²=4ab，求a² b²=？，会解的同学寥寥无几

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if a+b=7 and ab=10 find a-b..

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三年级拔高题：（a+b）（a b）=47，求a和b分别是多少？

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