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  • Utilisateur Brainly
2014-09-04T17:59:26+02:00
(+12)-(+2) = 12 - 2 = 10
(+24)-(-4) = 24 + 4 = 28
(-8)-(+18) = - 8 - 18 = 26
(-11)-(-13) = - 11 + 13 = 2
(-17)-(-13) = - 17 + 13 = - 4
(+13)-(+7) = 13 - 7 = 6
2014-09-04T17:59:54+02:00
(+12)-(+2) = 12 - 2 = 10
(+24)-(-4) = 24 + 4 = 28
(-8)-(+18) = -8 - 18 = -26
(-11)-(-13) = -11 + 13 = 2
(-17)-(-13) = -17 + 13 = -4
(+13)-(+7)  = 13 - 7 = 6