Răspuns :
45+77+7-(700+600+560+790+789-1150)+77777+89-6 =
= 45 + 77 + 7 - 2289 + 77777 + 89 - 6 =
= 77995 - 2289 - 6 =
= 77995 - 2295 = 75700
= 45 + 77 + 7 - 2289 + 77777 + 89 - 6 =
= 77995 - 2289 - 6 =
= 77995 - 2295 = 75700
45+77+7-
(700+600+590+790+789-1150)+77777+89-6.
45+77+7-2289+77777+89-6=
77995-2295=75700
(700+600+590+790+789-1150)+77777+89-6.
45+77+7-2289+77777+89-6=
77995-2295=75700