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添上四则运算符号或括号,使下列等式成立.(题目在下面)
1 2/1 3/1 6/1 =0 1 2/1 3/1 6/1 =1
1 2/1 3/1 6/1 =2 1 2/1 3/1 6/1 =3
人气:473 ℃ 时间:2019-08-17 23:33:26
解答
添上四则运算符号或括号,使下列等式成立.(题目在下面)
1 - 2/1- 3/1- 6/1 =0
1+ 2/1 - 3/1 - 6/1 =1
1 + 2/1 + 3/1 + 6/1 =2
(1 +2/1) ×3/1÷ 6/1 =3
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