已知49又25分之24乘负5?
问题描述:
已知49又25分之24乘负5?
答
=(50-1/25)×(-5)
=50×(-5)-(1/25)×(-5)
=-250+1/5
=-249又5分之4
答
49又25分之24乘负5
=(50-1/25)×(-5)
=50×(-5)-(1/25)×(-5)
=-250+1/5
=-249又5分之4