(5-1/5)*5=24(1/5-5)*5=-24我承认是来凑数的
1.)1/5=0.25-0.2=4.85*4.8=242.)1^5=15*5=2525-1=24
5 × (5 - 1 ÷ 5)=24
(5-1/5)*5=24
5 × (5 - 1 ÷ 5)=24 (1÷5-5)×5=-24