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1.22222 ×9-1.33332 ×4=(        )
人气:125 ℃ 时间:2020-01-18 14:25:53
解答
=1.22222*9-1.22222*5-0.1111*4
=1.22222*5-0.1111*4
=6.1111-0.1111*4
=6-0.3333
=5.8889
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