calculer expression numérique
7-2x1,4+0,6:3-1 question 1
5x(12-2x4)+6-4:(5-1) question 2
18-6:2(2+1)-7x2:4 questions 3
7-2x1,4+0,6:3-1 question 1
5x(12-2x4)+6-4:(5-1) question 2
18-6:2(2+1)-7x2:4 questions 3
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Calculer les expressions numériques7 - 2 x 1,4 + 0,6 : 3 - 1
= 7 - 2,8 + 0,2 - 1
= 3,4
5 x (12 - 2 x 4) + 6 - 4 : (5 - 1)
= 5 x (12 - 8) + 6 - 4 : (4)
= 5 x 4 + 6 - 1
= 20 + 5
= 25
18 - 6 : 2 (2 + 1) - 7 x 2 : 4
= 18 - 6 : 2 (3) - 14 : 4
= 18 - 6 : 6 - 3,5
= 18 - 1 - 3,5
= 13,5