EXERCICE 1 faire les calculs et les detaillant svp
A=25-7 x (-4)+2
B=8 x (-4) - 6 x (-7)
C=1-10 x( -5) + 7 x(-3)
D= (5-7)+(8-4)x(3-6)
E=2,6 + (0,3-1)x4
F=10-(1-2)x(3-4)+5
A=25-7 x (-4)+2
B=8 x (-4) - 6 x (-7)
C=1-10 x( -5) + 7 x(-3)
D= (5-7)+(8-4)x(3-6)
E=2,6 + (0,3-1)x4
F=10-(1-2)x(3-4)+5
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A= 25+28+2
A=55
B=(-32)-6x(-7)
B=(-32)-(-42)
B=10
C=1-(-50)+(-21)
C=51+(-21)
C=30
D=(-2)+4x(-3)
D=(-2)+(-12)
D=(-14)
E=2,6+(-0,7)x4
E=2,6+(-2,8)
E=(-0,2)
F=10-(-1)x(-1)+5
F=10-1+5
F=9+5
F=14