Sagot :
voici 5 solutions différentes :
Solution n°1
50 x 3 = 150
150 + 8 = 158
4 + 1 = 5
158 x 5 = 790
Solution n°2
50 x 8 = 400
400 - 3 = 397
397 x 2 = 794
794 - 4 = 790
Solution n°3
50 - 1 = 49
49 x 8 = 392
392 + 3 = 395
395 x 2 = 790
Solution n°4
50 x 8 = 400
400 - 4 = 396
396 - 1 = 395
395 x 2 = 790
Solution n°5
50 x 8 = 400
4 + 1 = 5
400 - 5 = 395
395 x 2 = 790
Solution n°1
50 x 3 = 150
150 + 8 = 158
4 + 1 = 5
158 x 5 = 790
Solution n°2
50 x 8 = 400
400 - 3 = 397
397 x 2 = 794
794 - 4 = 790
Solution n°3
50 - 1 = 49
49 x 8 = 392
392 + 3 = 395
395 x 2 = 790
Solution n°4
50 x 8 = 400
400 - 4 = 396
396 - 1 = 395
395 x 2 = 790
Solution n°5
50 x 8 = 400
4 + 1 = 5
400 - 5 = 395
395 x 2 = 790