来自陆霄晔的问题
10道通分,10道约分
10道通分,10道约分
1回答
2020-05-10 08:15
10道通分,10道约分
10道通分,10道约分
约分:5/10=1/28/16=1/26/9=2/315/10=3/27/21=1/39/12=3/417/51=1/39/81=1/925/50=1/213/39=1/3通分:1/2+1/3=5/61/3+1/4=7/121/4+1/5=9/201/5+1/6=11/301/6+1/7=13/421/7+1/8=15/561/8+1/9=17/721/...