25 Effectuer les calculs suivants.
A = 2-6÷3+3 x 4+1
C = 12÷3-1+7x8
B= 2,5+3×7-35÷5
D=4,5-5÷2+1,5x2
A = 2-6÷3+3 x 4+1
C = 12÷3-1+7x8
B= 2,5+3×7-35÷5
D=4,5-5÷2+1,5x2
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bonsoir;
A = 2-6/3+3 x 4+1
= 2 -2 +12+1
= 12+1
= 13
C = 12/3-1+7x8
= 4 -1+56
= 3 +56
= 59
B= 2,5+3×7-35/5
= 2,5 +21 -7
= 23,5-7
= 16 ,5
D=4,5-5/2+1,5x2
= 4,5 -2,5 +3
= 2 +3
= 5
Réponse:
la réponse à votre question:
A = 13
C = 59
B = 16,5
D = 5