2.4+3/5= 1/7+1/11= 3/8+0.125= 10-2/5=

问题描述:

2.4+3/5= 1/7+1/11= 3/8+0.125= 10-2/5=

2.4+3/5=6
1/7+1/11=18/77
3/8+0.125=1/2
10-2/5=9.6