【1/2+1/3+2/3+1/4+2/4+3/4+1/5+2/5+3/5+4/5.98/100+99/100=1/2是二分之一1/3是三分之一】
<p>问题:【1/2+1/3+2/3+1/4+2/4+3/4+1/5+2/5+3/5+4/5.98/100+99/100=1/2是二分之一1/3是三分之一】<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">丁卫撑的回答:<div class="content-b">网友采纳 1/2+1/3+2/3+1/4+2/4+3/4--------98/100+99/100 =1/2+2/2+3/2+---------------+100/2 =(1+2+3+-----+100)/2 =(1+100)×100÷2/2 =5050/2 =2525
页:
[1]