Răspuns :

Răspuns:

-10×9=90

90:10=9

-10×90=900

900:10=90

-10×900=9000

9000:10=900

-100×9=900

900:100=9

-100×90=9000

9000:100=90

-100×900=90000

90000:100=900

-1000×9=9000

9000:1000=9

-1000×90=90000

90000:1000=90

-1000×900=900000

900000:1000=900

Sper te-am ajutat!! Succes la școală!!