Bonjour,Aider moi svp merci (-10)+(-7) = = (+11)-(-3) = = -12+4-(-7)-1+3-4 = = = = -12+4+9-4+12 = = = = 4,5-5,5 = = (-2,5)-(+1,5) = = = (+4)+(-2)-(+2)-(-3) = =
Mathématiques
NTAuxu
Question
Bonjour,Aider moi svp merci (-10)+(-7)
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(+11)-(-3)
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-12+4-(-7)-1+3-4
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-12+4+9-4+12
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4,5-5,5
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(-2,5)-(+1,5)
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(+4)+(-2)-(+2)-(-3)
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(+10)-(+22)
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(+11)-(-3)
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-12+4-(-7)-1+3-4
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-12+4+9-4+12
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4,5-5,5
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(-2,5)-(+1,5)
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(+4)+(-2)-(+2)-(-3)
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(+10)-(+22)
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1 Réponse
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1. Réponse dgesson
Explications étape par étape:
( - 10 ) + ( - 7 ) = - 17
( + 11 ) - ( - 3 ) = 14
- 12 + 4 - ( - 7 ) - 1 + 3 - 4 = - 42
- 12 + 4 + 9 - 4 + 12 = 9
4,5 - 5,5 = - 1
( - 2,5 ) - ( + 1,5 ) = - 4
( + 4 ) + ( - 2 ) - ( + 2 ) - (- 3 ) = 3
( + 10 ) - ( + 22 ) = - 12