Répondre :
a)8 - 1 = 7
7 x 2 = 14
50 + 4 = 54
54 x 14 = 756
756 + 3 = 759
b)[(50+4)x((8-1)x2)]+3 = 759
c) 9 + 1 = 10
10 x 4 = 40
40 + 3 = 43
8 x 2 = 16
43 x 16 = 688
[((9 + 1) x 4) + 3] x (8 x 2) = 688
7 x 2 = 14
50 + 4 = 54
54 x 14 = 756
756 + 3 = 759
b)[(50+4)x((8-1)x2)]+3 = 759
c) 9 + 1 = 10
10 x 4 = 40
40 + 3 = 43
8 x 2 = 16
43 x 16 = 688
[((9 + 1) x 4) + 3] x (8 x 2) = 688