meili 发表于 2022-10-27 15:44:03

一.递等式:2.5×1.6×0.251.01×9.88.88×12.5

<p>问题:一.递等式:2.5×1.6×0.251.01×9.88.88×12.5
<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">孙培兴的回答:<div class="content-b">网友采纳  2.5×1.6×0.25  =(2.5x4)x(0.4x0.25)  =10x0.1  =1  1.01×9.8  =(1+0.01)X9.8  =1x9.8+0.01x9.8  =9.8+0.098  =9.898  8.88×12.5  =1.11x(8x12.5)  =1.11x100  =111
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