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kiceki
@kiceki
June 2021
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qui peux m aider à faire cet exercices
effectue les calculs suivants en soulignant à chaque étape le calcul en cours
-22+(13-5)*(-5)
(-2)*(-8)+2*(-20)+4
-28+(5-2)*(-4)
7*(-7)+3*(-25)+(-5)
-3,2*(-6)+(-2,3-7,7)
150+(-1,2-9*3,2)
merci d avance
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Aftershock
-22+(13-5)*(-5)
= -22+8*(-5)
= -22-40
=
-62
(-2)*(-8)+2*(-20)+4
= 16-40+4
= -24+4
=
-20
-28+(5-2)*(-4)
= -28+3*(-4)
= -28-12
=
- 40
7*(-7)+3*(-25)+(-5)
= -49-75-5
=
-129
-3,2*(-6)+(-2,3-7,7)
= 19,2-10
=
9,2
150+(-1,2-9*3,2)
= 150+(-1,2-28,8)
= 150-30
=
120
0 votes
Thanks 2
MrEagle
= -22 + ( 13 - 5 ) * (-5)
= -22 + 8 x (-5)
= -22 - 40
= -62
= (-2) * (-8) + 2 * (-20) + 4
= 16 - 40 + 4
= 20 - 40
= -20
= -28 + ( 5 - 2 ) * (-4)
= -28 + 3 * (-4)
= -28 - 12
= -40
= 7 * (-7) + 3 * (-25) + (-5)
= -49 - 75 - 5
= -124 - 5
= -129
= -3,2 * (-6) + ( -2,3 - 7,7 )
= 19,2 - 10
= 9,2
= 150 + ( -1,2 - 9 * 3,2 )
= 150 + ( -1,2 - 28,8 )
= 150 - 30
= 120
0 votes
Thanks 0
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= -22+8*(-5)
= -22-40
= -62
(-2)*(-8)+2*(-20)+4
= 16-40+4
= -24+4
= -20
-28+(5-2)*(-4)
= -28+3*(-4)
= -28-12
= - 40
7*(-7)+3*(-25)+(-5)
= -49-75-5
= -129
-3,2*(-6)+(-2,3-7,7)
= 19,2-10
= 9,2
150+(-1,2-9*3,2)
= 150+(-1,2-28,8)
= 150-30
= 120
= -22 + 8 x (-5)
= -22 - 40
= -62
= (-2) * (-8) + 2 * (-20) + 4
= 16 - 40 + 4
= 20 - 40
= -20
= -28 + ( 5 - 2 ) * (-4)
= -28 + 3 * (-4)
= -28 - 12
= -40
= 7 * (-7) + 3 * (-25) + (-5)
= -49 - 75 - 5
= -124 - 5
= -129
= -3,2 * (-6) + ( -2,3 - 7,7 )
= 19,2 - 10
= 9,2
= 150 + ( -1,2 - 9 * 3,2 )
= 150 + ( -1,2 - 28,8 )
= 150 - 30
= 120