Pouvez vous m'aider s'il vous plaît je ne comprends pas Merçi D'avance.... Pergunta de ideia deDoaa019

Doaa019 @Doaa019

June 2019 1 98 Report

Pouvez vous m'aider s'il vous plaît je ne comprends pas Merçi D'avance

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jpebre

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Doaaa,

1) a)
8 = 4×2...... 8 est un multiple de 2

b) 3/8 +5/2 = 3/8 + (5×4)/(2×4)

= 3/8 + 20/8 = 23 /8

2)a) 1/3 + 7/6 = (1×2)/(3×2) +7/6

= 2/6 +7/6 = 9/6

= (3×3)/(2×3) = 3/2

b) 3/4 - 7/12 = 9/12 - 7/12 = 2/12 = 1/6

3) multiple commun

15 = 3×5
6=2×3

multiple commun 2×3×5 = 30

-8/15 + 5/6 = (-8×2)/(15×2) + ( 5×...)/ ( 6×...) à finir

Je te donne le résultat simplifié pour que tu puisses te corriger 3/10

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