Réponse :
ex 46
A= -3-7+3+8-5+10
= -7+3+10
=6
B=135+65-154-46
=200-200
=0
C=1.98-5.2+3.4+0.02-4.5
=2-9.7+3.4
=5.4-9.7
= -4.3
D=25+5-3+4-8-21
=1+1
=2
bon courage
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Réponse :
ex 46
A= -3-7+3+8-5+10
= -7+3+10
=6
B=135+65-154-46
=200-200
=0
C=1.98-5.2+3.4+0.02-4.5
=2-9.7+3.4
=5.4-9.7
= -4.3
D=25+5-3+4-8-21
=1+1
=2
bon courage