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efectueaza 3 * 9 - 36 : 6 + 3 + 4 + 2 egal ?

Răspuns :

3x9-36:6+3+4+2=
3x9-6+3+4+2=
27-6+3+4+2=
21+3+4+2=
24+4+2=
28+2=
=30
3*9-36:6+3+4+2=
=27-6+3+4+2=
=21+3+4+2=
=24+4+2=
=28+2=
=30.