Răspuns :
900[(648:4-340:5):2]x3=
900x[(162-68):2]x3=
900x[94:2]x3=
900x47x3=
42300x3=126900
900x[(162-68):2]x3=
900x[94:2]x3=
900x47x3=
42300x3=126900
900[(648:4-340:5):2]x3=126900
900x[(162-68):2]x3=126900
900x(94:2)x3=126900
900x47x3=126900
42300x3=126900
900x[(162-68):2]x3=126900
900x(94:2)x3=126900
900x47x3=126900
42300x3=126900