Sagot :
Bonjour,
A =6 x [13-(5-2)]
= 6* ( 13-3)
= 6* 10 = 60
B =[(31-5)-2x7]÷6÷2
= [(26) -14] / 3
= 12/3 = 4
C =21+8x2-[2+(13-9)x3] - (10-6)
=21 +16 -[ 2 + (4*3)] - 4
= 37 -( 2+12) -4
= 37 -14 -4
= 19
D =66/6-(11-7)x3x[4x(4-2)]/12
= 11 -(4*3 ) *[ 4*2] /12
= 11-[(12 *8)]/12
= (11 -96)/12
= -85/12
A- 6 x [13- (5-2)]
A = 6 x (13-5+2)
A : 6 x ( 8+2)
A = 6 x 10
A = 60
B = [(31-5)-2 x 7] : 6 : 2
B=(26-2 x 7) : 6 : 2
B= (26-14): 6 : 2.
B = 12 : 6 : 2
B= 2 : 2
B= 1
C= 21+8 x 2 - [2 +(13-9)x3]-(10-6)
C= 21+8 x 2 - (2+ 4x3) - (10-6)
C=21+8x2 - (2+12) - (10-6)
C = 21+8 x 2- 14 - 4
C=21+16 - 14 -4
C=37- 14 - 4
C= 23 - 4
C= 19
D = 66 : 6 - (11-7) x 3 x [ 4x(4-2)] : 12
D= 66: 6 - (11-7) x 3 x (4x2) : 12
D=66 : 6 - 4 x 3x 8 : 12
D=66 : 6 - 12 x 8 : 12
D=11 - 96 : 12
D=11 - 8
D= 3
A = 6 x (13-5+2)
A : 6 x ( 8+2)
A = 6 x 10
A = 60
B = [(31-5)-2 x 7] : 6 : 2
B=(26-2 x 7) : 6 : 2
B= (26-14): 6 : 2.
B = 12 : 6 : 2
B= 2 : 2
B= 1
C= 21+8 x 2 - [2 +(13-9)x3]-(10-6)
C= 21+8 x 2 - (2+ 4x3) - (10-6)
C=21+8x2 - (2+12) - (10-6)
C = 21+8 x 2- 14 - 4
C=21+16 - 14 -4
C=37- 14 - 4
C= 23 - 4
C= 19
D = 66 : 6 - (11-7) x 3 x [ 4x(4-2)] : 12
D= 66: 6 - (11-7) x 3 x (4x2) : 12
D=66 : 6 - 4 x 3x 8 : 12
D=66 : 6 - 12 x 8 : 12
D=11 - 96 : 12
D=11 - 8
D= 3