Răspuns :

Anamariasisi22id

Răspuns:

1. 30 - 10-10-10 =30:3

2. 32-8-8-8-8=32:4

3. 54-9-9-9-9-9-9 =54:6

4. 42-7-7-7-7-7-7-7=42:6

Daniel201793id

Explicație pas cu pas:

a)30-10-10-10=0

30:3=10

b)54-9-9-9-9-9-9=0

54:9=6

c)32-8-8-8-8=0

32:8=4

d)42-7-7-7-7-7-7=0

42:7=6

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