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Sagot :

1. 6;12;18;24;30;36
8;16;24;32;40;48

2.a. 7x4/6x4 - 9x3/8x3
= 28/24 - 27/24
= 1/24
b. 1x3/8x3 + (-5)x4/6x4
= 3/24 + (-20)/24
= 3/24 - 20/24
= -17/24

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