Explications étape par étape:
A = 3/4 - (2/3 × 2/3) = 3/4 - 4/9 = 27/36 - 16/36 = 11/36
B = 3/4 - (6/6) = 3/4 - 1 = 3/4 - 4/4 = -1/4
C = 4/3 × 2/1 × 3/2 = 24/6 = 4
D= 5 × [ (2/2-1/2)÷ 3] = 5 × (1/2 ÷ 3) = 5 × 1/2 × 1/3 =
5/5 = 1
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Explications étape par étape:
A = 3/4 - (2/3 × 2/3) = 3/4 - 4/9 = 27/36 - 16/36 = 11/36
B = 3/4 - (6/6) = 3/4 - 1 = 3/4 - 4/4 = -1/4
C = 4/3 × 2/1 × 3/2 = 24/6 = 4
D= 5 × [ (2/2-1/2)÷ 3] = 5 × (1/2 ÷ 3) = 5 × 1/2 × 1/3 =
5/5 = 1