1 x1= - 1, 5 x 3= - 15, 5 x 9= - 45,  7 x 2 = - 14, 4 x 5= - 20, 12 x 2= - 24, 7 x 3=  - 21, 5 x 2= - 10, 6 x 2= - 12, 7 x1= - 7, 8 x 2= - 16, 4 x 7=  - 28, 9 x1= - 9, 10 x 3= - 30, 10 x 4=  - 40, 10 x 6= - 60, 11x 2= - 22, 5 x 5= - 25,

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