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Sagot :

X= 9-3=6 -5 = ×1 = 6 : 4 = 1,5 + 3 = 4,5

-2+ -3 =5× -5= -25=6,25+ -2= 4.25

X=7-3=4× -5= -20: 4 = -5 + 7 = 1

X= 3-3=0- -5 = -5 :4 = 1.25 +3 = 4.25

X=5- -11= -6+8=2 × -9= -18+5=23+ -28= -51

Le dernier calcul je te laisse faire.

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