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ArmelleDjawa
@ArmelleDjawa
January 2021
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Bonjour, aidez-moi s'il vous plait.
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angeliita1811
1)A=19÷3 - 14÷3 × 5÷7
=19÷3 -10÷3
=9÷3 =3
2)B=15×10^-2×5x10^5 ÷ 6×10^2
= 15 ×5× 10³ ÷ 6× 10²
= 15×5×10 ÷ 6
= 125 = 1,25×10²
3)C=√75 +4√27 -5√48
=17√3 - 5√48
= -3√3
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ArmelleDjawa
January 2021 | 0 Respostas
Bonjour , aidez moi s'il vous plait
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Bonjour , aidez moi s'il vous plait
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ArmelleDjawa
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Bonjour pourriez-vous m'aidez a mon devoir de math s'il vous plais je n'y arrive pas.
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Lista de comentários
=19÷3 -10÷3
=9÷3 =3
2)B=15×10^-2×5x10^5 ÷ 6×10^2
= 15 ×5× 10³ ÷ 6× 10²
= 15×5×10 ÷ 6
= 125 = 1,25×10²
3)C=√75 +4√27 -5√48
=17√3 - 5√48
= -3√3