Exercice 1
2 226 001 > 22 261
823 212 < 883 212
993 202 < 9 903 202
463 714 < 463 724
230 800 < 232 800
802 277 > 802 247
512 340 < 512 350
57 877 < 5 007 877
441 087 < 441 187
394 331 < 3 904 331
09 328 < 82 390
52 660 < 5 002 660
Exercice 2
9 × 4 000 = 36 000
4 × 2 000 = 8 000
9 × 60 = 540
400 × 8 = 3 200
1 100 × 11 = 12 100
6 × 2 000 = 12 000
7 × 10 000 = 70 000
11 × 60 = 660
5 000 × 7 = 35 000
10 × 11 000 = 110 000