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Sagot :

I= 12- 0,9x30/3 = 12-27/3 = 12-9 = 3

J= 12-5x2/15+2,5x2 = 12-10/15+5 = 2/20 = 0,1

K= 8x7-3x24:3+8/200x0,02 = 56-3x8+8/4 = 56-3x 16/4 = 56-3x4 = 56-12 = 44

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