April 2019 2 59 Report
Ex 22.Calculer les sommes :

A = (=10) + (-2,7)
B = (-9,63) + (+9,63)
C = (+31) + (-9)
D = (-23,8) + (-7,2)

Ex 65.Calculer les expression aussi simple que possible :

A = (-8) - (-3) + (-12) +(+10) +3
B = (+5,5) - (+2) + (-11,5) - (-6)
C = (+7) + (-3) - (-6,5) + (-7) - (+3)
D = (-32) + (+5,25) - (+10) - (-1,5)
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