将下面的括号填上合适的分母,使等式成立:
2/99=1/()-1/()
2/143=1/()+1/()
5/24=1/()+1/()+1/()+1/()
2/35=1/()-1/()
2/63=1/()-1/()
1=1/()+1/()+1/()+1/()+1/()
2/7=1/()+1/()+1/()
1/15=1/()+1/()+1/()
1/16=1/()+1/()+1/()+1/()
人气:128 ℃ 时间:2019-12-13 16:43:08
解答
2/99=1/33-1/992/143=1/143+1/1435/24=1/24+1/24+1/24+1/122/35=1/5-1/72/63=1/7-1/91=1/5+1/5+1/5+1/5+1/52/7=1/14+1/14+1/71/15=1/45+1/45+1/451/16=1/64+1/64+1/64+1/64呃...这些答案你确定么?
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