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Sagot :

MAUDMARINE

Bonjour

a. 2 x 2-1 x3 = 4 - 3 = 1

C. 4 x 4-3 x 5 = 16 - 15 = 1

b. 3 x 3-2 x 4 = 9 - 8 = 1

d. 8 X 8 -7x9 = 64 - 63 = 1.
a.2 x2-1 x3 = 4-3=1
C. 4 x 4-3 x 5 = 16 - 15 = 1
b.3x3-2x4=9-8=1
d. 8X8-7x9 = 64 - 63 = 1.

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