Répondre :
1.----- 25 X 10² X 121 = 25 X 121 = 3025 X 10² = 605 = 121 X 10² = 12 100 =
11 X 750 X 3 24750 4950 990 990
1210
99
2 --- 13 X 10 P14 X 10 P6 = 13 X 10 P20 = 13 X 10 P 20-21 =
2 X (10P3) P7 2 X 10 P21 2
13 X 10P-1
2
11 X 750 X 3 24750 4950 990 990
1210
99
2 --- 13 X 10 P14 X 10 P6 = 13 X 10 P20 = 13 X 10 P 20-21 =
2 X (10P3) P7 2 X 10 P21 2
13 X 10P-1
2