(-99又25分之24)X5的简便计算?

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(-99又25分之24)X5的简便计算?(-99又25分之24)X5的简便计算?(-99又25分之24)X5的简便计算?(-99又25分之24)X5=(-100+1/25)×5=-100×5+1/25

(-99又25分之24)X5的简便计算?
(-99又25分之24)X5的简便计算?

(-99又25分之24)X5的简便计算?
(-99又25分之24)X5
=(-100+1/25)×5
=-100×5+1/25×5
=-500+0.2
=-499.8

(-99 24/25)(5)
= -(100 - 1/25)(5)
= -(5 - 1/5)
= -24/5

(-99又25分之24)X5
=(1/25-1)×5
=1/5-5
=负4又5分之4

(-99又25分之24)X5
=(1/25 - 100 )×5
=1/5 - 500
= - 499又4/5