Réponse:
1. A = (3 x 9) - (9 ÷ 3) = 27 - 3 = 24
B = 2 x (3,5 - 0,7) = 2 x 2,8 = 5,6
C = (2,4 + 4,8 + 1,2) x (4,5 - 2,5) = 8,4 x 2 = 16,8
D = 3 x 2 + 5 x 3 = 6 + 15 = 21
E = 5 + 3 x 12 = 5 + 36 = 41
F = 3 + 3 x 2 + 32 = 3 + 6 + 32 = 41
2. ● 56 ÷ 8 + 8 = 15 ● 56 + 8 - 8 = 56
● 56 + 8 ÷ 8 = 57 ● (56 + 8) ÷ 8 = 8
● (56 - 8) ÷ 8 = 6 ● 56 x (8 - 8) = 0
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Réponse:
1. A = (3 x 9) - (9 ÷ 3) = 27 - 3 = 24
B = 2 x (3,5 - 0,7) = 2 x 2,8 = 5,6
C = (2,4 + 4,8 + 1,2) x (4,5 - 2,5) = 8,4 x 2 = 16,8
D = 3 x 2 + 5 x 3 = 6 + 15 = 21
E = 5 + 3 x 12 = 5 + 36 = 41
F = 3 + 3 x 2 + 32 = 3 + 6 + 32 = 41
2. ● 56 ÷ 8 + 8 = 15 ● 56 + 8 - 8 = 56
● 56 + 8 ÷ 8 = 57 ● (56 + 8) ÷ 8 = 8
● (56 - 8) ÷ 8 = 6 ● 56 x (8 - 8) = 0