6. Ecris chaque multiplication sous la forme d'une addition répétée. Détermine chaque somme à l'aide de carreaux de couleur. a) (+7)times (-4) b) (+6)times (+3) c) (+4)times (+6) d) (+5)times (-6)

## Step 1: Representing Multiplication as Repeated Addition### We can represent multiplication as repeated addition. For example, means adding 'a' to itself 'b' times. If 'b' is negative, it means subtracting 'a' 'b' times.## Step 2: Calculating (a) ### This means subtracting +7 four times: .## Step 3: Calculating (b) ### This means adding +6 three times: .## Step 4: Calculating (c) ### This means adding +4 six times: .## Step 5: Calculating (d) ### This means subtracting +5 six times: .