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Sagot :

Bonsoir,

Y= (-10)( -7,3 -9)

= -10 * -16,3

=163

Z= -4 -3+6*2-2

= -7 +12 -2

= 3

9

9+3 -9 = 3

3*7 =21

21/6 = 3,5

-3

-3+3+3 =6

6*7 = 42

42/6 =7

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