bonjour
A = - ( - 7 + 5 ) - [ 2 - ( 3 - 4 ) ]
A = - ( - 2 ) - ( 2 + 1 )
A = 2 - 3 = - 1
B = - 3 - ( 2 - ( 2 + 3 ))
B = - 3 - ( 2 - 5 )
B = - 3 - ( - 3 )
B = - 3 + 3 = 0
Continues
A = 1 - 5/4 x 2 /15
A = 1 - 10 / 60
A = 60 /60 - 10 /60 = 50/60 = 5 /6
B = ( 10/40 - 24/40 ) : 3 /10
B = - 14 /40 x 10 /3
B = - 140/ 120 = 7 / 6
C = 302 500 / 24 750 = 110 / 9
A = 762 x 762 x 16 : 3 x 254 x 2 x 381 x 4
A = 9290304 : 2322576
A = 4
B = ( 8/2 + 5 /2 ) x ( 13/26 - 12 /26 )
B = 13/2 x 1 /26
B = 13 / 52
A = - 1 /3 + 2 /3 : 4/5
A = - 1 /3 + 2 /3 x 5 /4
A = - 1 /3 + 10/12
A = - 4/12 + 10 /12
A = 6 /12 = 1 /2 = 0.5
A = 5 x 10 ⁻¹
B = 1/3 + 4/5 - 5 /6
B = 10/30 + 24/30 - 25/30
B = 9/30 = 3 / 10
