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45:5:3*6 80:10:2*8 10*4:5*9 va rog prin toate operatie

Răspuns :

45:5:3x6=
=9:3x6=
=3x6=
=18.
80:10:2x8=
=8:2x8=
=4x8=
=32.
10x4:5x9=
=40:5x9=
=8x9=
=72.