Bonsoir,
-1/5 -( -1/6 -4/6)
= -1/5 +5/6
= - 6/30 + 25/30
= 19/30
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Bonsoir,
-1/5 -( -1/6 -4/6)
= -1/5 +5/6
= - 6/30 + 25/30
= 19/30