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Calculează,respectannd ordinea operatiilor.30+[60-6X(63:9+36:9)-6


Răspuns :

30+[60-6×(63:9+36:9)-6]=
30+[60-6×(7+4)-6]=
30+60-6×11-6=
30+60-66-6=
90-66-6=18
30 + [ 60 - 6 × ( 63 : 9 + 36 : 9 ) ] - 6 =

30 + [ 60 - 6 × ( 7 + 4 ) ] - 6 =

30 + ( 60 - 6 × 11 ) - 6 =

30 + ( 60 - 66) - 6 =

30 + ( - 6 ) - 6 =

30 + ( - 12 ) = 18