136×95+135×7-34×2
=136×(100-5)+135×7-34×2
=13600-136×5+135×7-34×2
=13600-(135+1)×5+135×7-34×2
=13600+135×2-5-68
=13600+270-73
=13797
136×95+135×7-34×2
=136×(100-5)+135×7-34×2
=13600-136×5+135×7-34×2
=13600-(135+1)×5+135×7-34×2
=13600+135×2-5-68
=13600+270-73
=13797