Arvutamise abivalemite kasutamine - Allar Veelmaa õppematerjalid
Arvutamise abivalemite kasutamine - Allar Veelmaa õppematerjalid
Arvutamise abivalemite kasutamine - Allar Veelmaa õppematerjalid
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abivalemid.notebook<br />
May 21, 2010<br />
<strong>Arvutamise</strong> <strong>abivalemite</strong><br />
<strong>kasutamine</strong><br />
1) <strong>Arvutamise</strong> abivalemid<br />
2) Testid <strong>abivalemite</strong> kohta<br />
3) Avaldise lihtsustamine ja väärtuse arvutamine <strong>abivalemite</strong> abil<br />
Koostas: <strong>Allar</strong> <strong>Veelmaa</strong>, Loo Keskkool, aprill 2010<br />
Attribution-Noncommercial-Share Alike 3.0<br />
Nov 410:28 AM<br />
<strong>Arvutamise</strong> abivalemid<br />
(a + b) 2 = a 2 + 2ab + b 2<br />
(a – b) 2 = a 2 – 2ab + b 2<br />
a 2 – b 2 = (a + b)(a – b)<br />
a 3 + b 3 = (a + b)(a 2 – ab + b 2 )<br />
a 3 – b 3 = (a – b)(a 2 + ab + b 2 )<br />
mai 2118:14<br />
mai 2118:14<br />
<strong>Allar</strong> <strong>Veelmaa</strong> 2010 1
abivalemid.notebook<br />
May 21, 2010<br />
mai 2118:18<br />
mai 2118:26<br />
mai 2118:33<br />
<strong>Allar</strong> <strong>Veelmaa</strong> 2010 2
abivalemid.notebook<br />
May 21, 2010<br />
Avaldise lihtsustamine<br />
(2a + 1) 2 + (2a – 1) 2 =<br />
mai 2119:11<br />
Avaldise lihtsustamine<br />
(2a + 1) 2 – (2a – 1) 2 =<br />
mai 2119:14<br />
Avaldise lihtsustamine<br />
(2a + b) 2 + (2a – b)(2a + b) =<br />
mai 2119:39<br />
<strong>Allar</strong> <strong>Veelmaa</strong> 2010 3
abivalemid.notebook<br />
May 21, 2010<br />
Lihtsusta avaldis<br />
(2a – 3b) 2 – 2(a –2b) 2 =<br />
mai 2119:41<br />
Lihtsusta avaldis ja arvuta selle täpne väärtus,<br />
kui x = –0,5 ja y = 2.<br />
(2x + 3y) 2 – (2x – 3y)(3x + 2y) =<br />
mai 2119:41<br />
<strong>Allar</strong> <strong>Veelmaa</strong> 2010 4
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