①38.17+0.15+71.83
②6.67+5.2+1.45
③21.33-4.67+8.12
④14.12-7.42-5.58
⑤14.6-3.98+5.4-0.02
⑥17.65-(0.65+9.9)
①25×125×16
②387-148-162
③678+57+243-178
④135×99+135
⑤3000÷8÷125
⑥43×58-58×33