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Adriana8461
a fost răspuns

2+(2+2+2÷m)×2=12
Clasa a III a

Răspuns :

AndreeaSimiloiu

Răspuns:

2+(2+2+2:m)x2=12

2+(4+2/m)x2=12

2+8+4/m=12

10+4/m=12

4/m=2

4=2m

2m=4

m=4:2

m=2

Verificare:

2+(2+2+2:2)x2=12

2+(2+2+1)x2=12

2+(4+1)x2=12

2+5x2=12

2+10=12

12=12