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3*3/3+3*3/3-3*3/3=?​

Răspuns :

3*3/3+ 3*3/3-3*3/3=
=9/3+9/3-9/3=
=3+3-3=3

(3×3)/3+(3×3)/3-(3×3)/3=

=(3×3)/3=3