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123×456÷789÷456×789÷123=______.
人气:305 ℃ 时间:2019-09-06 02:37:42
解答
123×456÷789÷456×789÷123,
=(123÷123)×(456÷456)×(789÷789),
=1×1×1,
=1;
故答案为:1.
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