Răspuns:
3+3+10+70+78+36+67+7×9=
3+3+10+70+78+36+67+63=
6+10+70+78+36+67+63=
16+70+78+36+67+63=
86+78+36+67+63=
164+36+67+63=
200+67+63=
267+63=330