0.26*70.75/6.5/2.83=?(简算)一定要简便

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0.26*70.75/6.5/2.83=?(简算)一定要简便
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0.26*70.75/6.5/2.83=?(简算)一定要简便
0.26*70.75/6.5/2.83=?(简算)
一定要简便

0.26*70.75/6.5/2.83=?(简算)一定要简便
简算的技巧就是先调换运算顺序,然后把0.26*100,同时70.75/100
(0.26/6.5)*(70.75/2.83)= (26/6.5)*(0.7075/2.83)
= 4 * (1/4)
= 1

1