49又25/24乘(-5)
问题描述:
49又25/24乘(-5)
答
49又25/24乘(-5)
=(50-1/25)x-5
=50x-5+1/25x5
=-250+1/5
=-249又4/5
答
49又25/24乘(-5)
=(50-1/25)×(-5)
=50×(-5)+1/25×5
=-250+1/5
=-249又4/5