Bonsoir,
1)
4*3 = 12
(-5)* (-26) = 130
8*(-2) = -16
9*(-3) = -27
2)
une division:
27/3 = 9
et la règle des signes:
-*-=+
-*= = -
+*+ = +
3)
-*-*- => -
-*- => +
=> -/+
-30/200
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Bonsoir,
1)
4*3 = 12
(-5)* (-26) = 130
8*(-2) = -16
9*(-3) = -27
2)
une division:
27/3 = 9
et la règle des signes:
-*-=+
-*= = -
+*+ = +
3)
-*-*- => -
-*- => +
=> -/+
-30/200
Tu as appris ça à l'école primaire:
48/24 = 2
75/25 = 3
=> 25 * 3 = 75