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()()()=()()()乘二分之一=()()()乘三分之一
只能在括号里填1 2 3 4 5 6 7 8 9且不能重复
人气:214 ℃ 时间:2019-08-28 10:37:09
解答
192 = (1/2) * 384 = (1/3) * 576
219 = (1/2) * 438 = (1/3) * 657
273 = (1/2) * 546 = (1/3) * 819
327 = (1/2) * 654 = (1/3) * 981
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