{240+(500×0.75)−(50×2)}÷2 =(240+375−100)÷2=515÷2=257.5 |
240+(500×0.75)−50 =240+375−50=565 |
{240+(500×0.75)−(50×2)}÷2−50 =(240+375−100)÷2−50 =515÷2−50=205.5 |
{240+(500×0.75)−50}−50 =(240+375−50)−50=565−50=515 |
{315+(400×0.75)−50}÷5 =(315+300−50)÷5 =565÷5=113(通常時) |
{315+(400×0.75)−(50×2)}÷2÷5 =(315+300−100)÷2÷5 =515÷2÷5=257.5÷5=51.5 |
〔{315+(400×0.75)−(50×2)} ÷2÷5〕−(50÷5)=(515÷2÷5)−10 =51.5−10=41.5 |
2000÷2−250 =1000−250=750 |