SOLUTION

Calculer sans poser.

 

5 x 10 = 50

7 x 10 = 70

2 x 10 = 20

6 x 10 = 60

10 x 10 = 100

30 x 10 = 300

50 x 10 = 500

32 x 10 = 320

87 x 10 = 870

56 x 10 = 560

5 x 100 = 500

7 x 100 = 700

2 x 100 = 200

6 x 100 = 600

10 x 100 = 1000

30 x 100 = 3000

50 x 100 = 5000

32 x 100 = 3200

87 x 100 = 8700

56 x 100 = 5600

 

5 x 1000 = 5000

7 x 1000 = 7000

2 x 1000 = 2000

6 x 1000 = 6000

10 x 1000 = 10000

30 x 1000 = 30000

50 x 1000 = 50000

32 x 1000 = 32000

87 x 1000 = 87000

56 x 1000 = 56000

40 x 10 = 400

70 x 10 = 700

20 x 10 = 200

60 x 10 = 600

10 x 10 = 1000

500 x 10 = 5000

320 x 10 = 3200

870 x 10 = 8700

560 x 10 = 5600

512 x 100 = 51200

741 x 100 = 74100

202 x 100 = 20200

61 x 100 = 6100

8 x 100 = 800

3450 x 100 = 345000

5000 x 100 = 500000

870 x 100 = 87000

5625 x 100 = 562500

25 x 1000 = 25000

12 x 1000 = 12000

611 x 1000 = 611000

480 x 1000 = 480000

100 x 1000 = 100000

340 x 1000 = 340000

950 x 1000 = 950000

8721 x 1000 = 8721000

89561 x 1000 = 89561000