2/1除(8/1+10/1)等于几
问题描述:
2/1除(8/1+10/1)等于几
速度呀
答
1/2÷(1/8+1/10) =1/2÷(5/40+4/40) =1/2÷9/40 =20/9
2/1除(8/1+10/1)等于几
速度呀
1/2÷(1/8+1/10) =1/2÷(5/40+4/40) =1/2÷9/40 =20/9