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calcuati :

3,4+1,2x 10=
16-2,5:`10=


Răspuns :

3,4+1,2*10=
=3,4+12=15,4

16-2,5:10=
=16-0,25=15,75
3,4+1,2x10=3,4+12=15,4


16-0,25=15,75