Bonsoir,
(+6)-(+3)-(-1)-(+11)
= 6 - 3 + 1 - 11
= 6 + 1 - 3 - 11
= 7 - 14
= - 7.
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Bonsoir,
(+6)-(+3)-(-1)-(+11)
= 6 - 3 + 1 - 11
= 6 + 1 - 3 - 11
= 7 - 14
= - 7.