①4.85×12.5×8
②6.74×99+6.74
③9.64-2.64÷0.4
④2.41×8.54-1.41×8.54
⑤16.8÷20÷5
⑥4.5×102
①1.25×3.2
②9÷〔(38.02+1.98)×0.3〕
③9.4×10.1
④0.85×9.8
⑤17÷(3.84+2.96)-0.2
⑥37.2×0.35+6.28×3.5