3-Cm19 2013-2014
17
Calcul mental Les racines carrés, des nombres Série n° 4
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Transcript of 3-Cm19 2013-2014
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Calcul mental Les racines carrés, des nombres
Série n° 4
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Diapositive 1Diapositive 1
−
Compléter par un carré.Compléter par un carré.
50 2 ......
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Diapositive 2Diapositive 2
Ecrire sous la forme .Ecrire sous la forme .
50
a b
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Diapositive 3Diapositive 3
72 2 ......Compléter par un carré.Compléter par un carré.
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Diapositive 4Diapositive 4
Ecrire sous la forme .Ecrire sous la forme .
72
a b
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Diapositive 5Diapositive 5
Ecrire sous la forme Ecrire sous la forme a b
45
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FIN
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CORRECTION
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Diapositive 1Diapositive 1
−50 225
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Diapositive 2Diapositive 2
50 25 2
25
5 2
2
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Diapositive 3Diapositive 3
72 236
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Diapositive 4Diapositive 4
62 2367 2
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Diapositive 5Diapositive 5
35 594 5