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MissAbc22
@MissAbc22
April 2019
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Salut! A=√50 + 4√18 - 7√8
B=√20 - 8√45 + 2√5
C=√12 + √75 + 4√300
D=5√63 - √28 + √7
Si possible avec les étapes de calculs s'il vous plaît, merci :-)
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isapaul
Verified answer
Bonjour
A = √50 + 4√18 - 7√8
A = √(25 * 2) + 4√(9 * 2) - 7√(4 * 2)
A = 5√2 + 12√2 - 14√2
A = 3√2
B = √20 - 8√45 + 2√5
B = √(4 * 5) - 8√(9 * 5) + 2√5
B = 2√5 - 24√5 + 2√5
B = -20√5
C = √12 + √75 + 4√300
C = √(4 * 3) + √(25 * 3) + 4√(100 * 3)
C = 2√3 + 5√3 + 40√3
C = 47√3
D = 5√63 - √28 + √7
D = 5√(9*7) - √(4*7) + √7
D = 15√7 - 2√7 + √7
D = 14√7
Bon après-midi
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Report "Salut! A=√50 + 4√18 - 7√8 B=√20 - 8√45 + 2√5 C=√12 + √75 + 4√300 D=5√63 - √28 + √7 Si possible avec .... Pergunta de ideia de MissAbc22"
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Verified answer
BonjourA = √50 + 4√18 - 7√8
A = √(25 * 2) + 4√(9 * 2) - 7√(4 * 2)
A = 5√2 + 12√2 - 14√2
A = 3√2
B = √20 - 8√45 + 2√5
B = √(4 * 5) - 8√(9 * 5) + 2√5
B = 2√5 - 24√5 + 2√5
B = -20√5
C = √12 + √75 + 4√300
C = √(4 * 3) + √(25 * 3) + 4√(100 * 3)
C = 2√3 + 5√3 + 40√3
C = 47√3
D = 5√63 - √28 + √7
D = 5√(9*7) - √(4*7) + √7
D = 15√7 - 2√7 + √7
D = 14√7
Bon après-midi