72 Ecris chacune de ces expressions avec le moins de signes possible puis calcule.
A=7+ (-6) X (-6)
B= 13- (+ 3) x (-4) -8
C=-30 - (-9 + 15)
D=-3-9% (-3)
E=-3x6% (-2 + 8)

Merci de votre aide​
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