①399÷[(92﹣85)×3]
②146+273+54+127
③89×101
④800÷25
⑤125×18×8
①(3618÷18-145)×20
②6÷ - ÷6
③(21+ )× +
④ ×[ ÷( - )]
⑤3.5×98+35×0.2