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1000-100×9=???; si inca unu
7890:10-(690+10)=?


Răspuns :

1000-100x9=1000-900=100
7890:10-(690+10)=789-700=89
1000-100x9=
=1000-900=
=100
7890:10-(690+10)=
=789-700=
=89
Sper ca te-am ajutat!