350-884÷[(24x16)+78]怎么脱式计算？

Question

如题所述

Answer 1

350-884÷[(24x16)+78]
= 350-884÷[(24x8x2)+78]
= 350-884÷[(192x2)+78]
= 350-884÷[384+78]
= 350-884/462
【分数用2约分】
=350-442/231
=350-(1+211/231)
=349-211/231
=348又20/231

Answer 2

350-884÷【(24x16)+58】
=350-884÷(384+58)
=350-884÷442
=350-2
=348