de l'aide svp Simplifier puis calculer, a; (-5)+(+6) = = b; (+9) -(+14) = =
Mathématiques
mamouth
Question
de l'aide svp Simplifier puis calculer, a; (-5)+(+6) = = b; (+9) -(+14) = = c; (+13)+(-7)= = d; ( -10) -(+21) = = e; (+25)-(-8)= = f; (-19)+(-4) = = g;(+3)+(+34)= = h; (-7)-(-12)= = i; (+6) +(-47) = = j; (-24)+(+15) = = merci à vous tous
2 Réponse
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1. Réponse nonotata
a; (-5)+(+6) =
b; (+9) -(+14) = 9 -14 = -5
c; (+13)+(-7)= 13-7 = 6
d; ( -10) -(+21) = -10-21 = -31
e; (+25)-(-8)= 25+8 = 33
f; (-19)+(-4) = -19-4 = -23
g;(+3)+(+34)= 3+34 = 37
h; (-7)-(-12)= -7+12 = 5
i; (+6) +(-47) = 6-47 = -41
j; (-24)+(+15) = -24+15 = -9 -
2. Réponse Eliott78
a) (-5) + (+6) = - 5 + 6 = +1
b) (+9) - (+14) = +9 - 14 = -5
c) (+13) + (-7) = +13 - 7 = +6
d) (-10) - (+21) = -10 - 21 = -31
e) (+25) - (-8) = +25 + 8 = +33
f) (-19) + (-4) = -19 -4 = -23
g) (+3) + (+34) = 3 + 34 = 37
h) (-7) - (-12) = -7 + 12 = +5
i) (+6) + (-47) = +6 -47 = -41
j) (-24) + (+15) = -24 + 15 = -9