185+147+258+639+741852=(
185+147+258+639+741852=? -
185+147+258+639+741852=190-5+150-3+260-2+640-1+741850+2=1240+741850-9 =743081
185+147+258+639+741852=190-5+150-3+260-2+640-1+741850+2=1240+741850-9 =743081