(-5)X3/13+(-5)X(-2/13)-5X1/13

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(-5)X3/13+(-5)X(-2/13)-5X1/13(-5)X3/13+(-5)X(-2/13)-5X1/13(-5)X3/13+(-5)X(-2/13)-5X1/13(-5)x3/13+(-5

(-5)X3/13+(-5)X(-2/13)-5X1/13
(-5)X3/13+(-5)X(-2/13)-5X1/13

(-5)X3/13+(-5)X(-2/13)-5X1/13
(-5)x3/13+(-5)x(-2/13)-5x1/13
=(-5)x(3/13-2/13+1/13)
=(-5)x2/13
=-10/13
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