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12/13x61/123+6/13除以123能不能简算
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12/13x61/123+6/13除以123 能不能简算
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答案和解析
12/13x61/123+6/13÷123
=6/13×2×61/123+6/13×1/123
=6/13×122/123+6/13×1/123
=6/13×(122/123+1/123)
=6/13
=6/13×2×61/123+6/13×1/123
=6/13×122/123+6/13×1/123
=6/13×(122/123+1/123)
=6/13
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