Răspuns :
2018-1998= 20
20 × 3 = 60
30 × 3 = 90
60 + 90 = 150
150 : 10 = 15
20 × 3 = 60
30 × 3 = 90
60 + 90 = 150
150 : 10 = 15
[(2018-1998)×3+30×3]:10=
(20×3+30×3):10=
(60+90):10=
150:10=
15
SPER CA TE-AM AJUTAT!!!!
MULT SUCCES!!!!
(20×3+30×3):10=
(60+90):10=
150:10=
15
SPER CA TE-AM AJUTAT!!!!
MULT SUCCES!!!!