Solution

Step 1

Diviser 9 ÷ 3 = 3

Step 2

Multipliez 3 × 3 = 9. Soustrayez 9 - 9.

Step 3

Abattez 3.

Step 4

Diviser 3 ÷ 3 = 1.

Step 5

Multiplier 3 × 1 = 3. Soustraire 3 - 3 = 0

Solution

Step 1

Diviser 8 ÷ 4 = 2

Step 2

Multiplier 4 × 2 = 8. Soustraire 8 - 8 = 0

Step 3

Abattez 4.

Step 4

Diviser 4 ÷ 4 = 1.

Step 5

Multiplier 4 × 1 = 4. Soustraire 4 - 4 = 0

Step 6

Abattre 8

Step 7

Diviser 8 ÷ 4 = 2

Step 8

Multiplier 4 × 2 = 8. Soustraire 8 - 8 = 0