1.231/(231+231/232)2.(1+1/4+1/5)(1/4+1/5+1/6)-(1+1/4+1/5+1/6)(1/4+1/5)1.后面就是231又232分之231简便运算

题目详情

1.231/(231+231/232) 2.(1+1/4+1/5)*(1/4+1/5+1/6)-(1+1/4+1/5+1/6)*(1/4+1/5)
1.后面就是231又232分之231
简便运算

▼优质解答

答案和解析

1.=231*232/231*(232+1)=232/233
2.=(1+1/4+1/5)*(1/4+1/5+1/6)-[(1+1/4+1/5)*(1/4+1/5+1/6)]-1/6*(1/4+1/5)=-1/6*9/20=-3/40

看了 1.231/(231+231...的网友还看了以下：

1.231/(231+231/232)2.(1+1/4+1/5)*(1/4+1/5+1/6)-(1+1/4+1/5+1/6)*(1/4+1/5)1.后面就是231又232分之231简便运算