Răspunsuri

  • Utilizator Brainly
2014-08-13T14:50:41+03:00
27+39=66 ( suma )
801-797=4 ( diferenta )

66x4=264 ( produsul )

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x=numarul necunoscut 

x-(7x7)=7+(7x3)
x-49=7+21
x-49=28
x=28+49
x=77
3 3 3
2014-08-13T16:01:35+03:00
27+39=66 ( suma )
801-797=4 ( diferenta )

66x4=264 ( produsul )
x=77
2 4 2