January 2021 0 197 Report
Effectue les calculs suivants a. (-6)+(-9) =
b.(-5)+(+15)=
c.(+1,5)+(-15)
D.(-15)-(+17)=
E.(-3)-(-1,5)=
F.(+3,5)-(9,5)=



G. 4 - 19 =
H. - 18 + 13=
I.- 8 -3=
J.- 0,5 - 19,5=
K.-1 -(1,5)=
L. -0 , 3 - 0,7=
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