123=1 1234=1 12345=1 123456=1 在上面的算式中添上加减乘除号和()使结果等于1
人气:467 ℃ 时间:2019-09-18 02:43:17
解答
(1+2)/3=1
(2+3-1)/4=1
{(3+4)-2*1}/5=1
{(3+4+5)/(2*1)}/6=1
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