Réponse :
bonjour
Explications étape par étape :
B= (+10)+(-9)+(-6)+(+4)+(-1)+(-10)
=10-10 -9-1 -6+4
=-10-6+4
=-16+4
=-12
C=(-2)+(-3)+(-4)+(-5)+(+6)+(+7)
=-2-3-5 -4+6+7
=-14+7 +6
=-7+6
=-1
D=(+31)+(-18)+(+59)+(-22)+(-31)
=31-31 -18-22 +59
=-40+49
=19
E=(+10)+(-0,2)+(+50)+(-0,6)+(+0,2)
=-0.2+0.2+10+50 -0.6
=60-0.6
=59.4
F=(-23)+(+9)+(-51)+(-9)+(+23)+(+51)
=-23+23+9-9-51+51
=0
= 10 - 9 - 6 + 4 - 1 - 10
= 4 - 16 = - 12
= - 2 - 3 - 4 - 5 + 6 + 7
= 13 - 14 = - 1
= 31 - 18 + 59 - 22 - 31
= 59 - 40 = 19
= 10 - 0.2 + 50 - 0.6 + 0.2
= 60 - 0.6 = 59.4
= - 23 + 9 - 51 - 9 + 23 + 51
= 0
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Réponse :
bonjour
Explications étape par étape :
B= (+10)+(-9)+(-6)+(+4)+(-1)+(-10)
=10-10 -9-1 -6+4
=-10-6+4
=-16+4
=-12
C=(-2)+(-3)+(-4)+(-5)+(+6)+(+7)
=-2-3-5 -4+6+7
=-14+7 +6
=-7+6
=-1
D=(+31)+(-18)+(+59)+(-22)+(-31)
=31-31 -18-22 +59
=-40+49
=19
E=(+10)+(-0,2)+(+50)+(-0,6)+(+0,2)
=-0.2+0.2+10+50 -0.6
=60-0.6
=59.4
F=(-23)+(+9)+(-51)+(-9)+(+23)+(+51)
=-23+23+9-9-51+51
=0
bonjour
B= (+10)+(-9)+(-6)+(+4)+(-1)+(-10)
= 10 - 9 - 6 + 4 - 1 - 10
= 4 - 16 = - 12
C=(-2)+(-3)+(-4)+(-5)+(+6)+(+7)
= - 2 - 3 - 4 - 5 + 6 + 7
= 13 - 14 = - 1
D=(+31)+(-18)+(+59)+(-22)+(-31)
= 31 - 18 + 59 - 22 - 31
= 59 - 40 = 19
E=(+10)+(-0,2)+(+50)+(-0,6)+(+0,2)
= 10 - 0.2 + 50 - 0.6 + 0.2
= 60 - 0.6 = 59.4
F=(-23)+(+9)+(-51)+(-9)+(+23)+(+51)
= - 23 + 9 - 51 - 9 + 23 + 51
= 0