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Doukev
@Doukev
April 2019
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Transforme les soustractions suivantes en additions et puis effectue-les :
a. ( +4 ) - ( +15 )
b. ( -12 ) - ( +5 )
c. ( -10 ) - ( -7 )
d. ( +14 ) - ( -4 )
e. ( +6 ) - ( +6 )
f. ( -20) - +7 )
Bonne ANNÉE en premier, et merci de votre aide .
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maudmarine
Verified answer
Bonsoir,
a. ( +4 ) - ( +15 )
= 4 - 15
= - 11
b. ( -12 ) - ( +5 )
= - 12 - 5
= - 17
c. ( -10 ) - ( -7 )
= - 10 + 7
= - 3
d. ( +14 ) - ( -4 )
= 14 + 4
= 18
e. ( +6 ) - ( +6 )
= 6 - 6
= 0
f. ( -20) - +7 )
= - 20 - 7
= - 27
2 votes
Thanks 2
maudmarine
De rien
Commentaires (1)
Verified answer
Bonjour,
Voilà la réponse
a. ( +4 ) - ( +15 )=
a.( +4 ) + ( -15 ) = -11
b. ( -12 ) - ( +5 )=
b. ( -12 ) + ( -5 )= -17
c. ( -10 ) - ( -7 )=
c. ( -10 ) + ( +7 )=-3
d. ( +14 ) - ( -4)=
d. ( +14 ) + ( +4 )= +18
e. ( +6 ) - ( +6 ) =
e. ( +6 ) + ( -6 )=0
f. ( -20) - +7 )=
f. ( -20-7 ) = -27
2 votes
Thanks 4
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Lista de comentários
Verified answer
Bonsoir,a. ( +4 ) - ( +15 )
= 4 - 15
= - 11
b. ( -12 ) - ( +5 )
= - 12 - 5
= - 17
c. ( -10 ) - ( -7 )
= - 10 + 7
= - 3
d. ( +14 ) - ( -4 )
= 14 + 4
= 18
e. ( +6 ) - ( +6 )
= 6 - 6
= 0
f. ( -20) - +7 )
= - 20 - 7
= - 27
Verified answer
Bonjour,Voilà la réponse
a. ( +4 ) - ( +15 )=
a.( +4 ) + ( -15 ) = -11
b. ( -12 ) - ( +5 )=
b. ( -12 ) + ( -5 )= -17
c. ( -10 ) - ( -7 )=
c. ( -10 ) + ( +7 )=-3
d. ( +14 ) - ( -4)=
d. ( +14 ) + ( +4 )= +18
e. ( +6 ) - ( +6 ) =
e. ( +6 ) + ( -6 )=0
f. ( -20) - +7 )=
f. ( -20-7 ) = -27