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简便算式:23-8|9×3|8÷1|27 (1+1|2)÷(1-1|2) 23×3|8+23×5|8
人气:115 ℃ 时间:2020-05-31 06:03:38
解答
23-8|9×3|8÷1|27
=23-1/3×27
=23-9
=14
(1+1|2)÷(1-1|2)
=3/2÷1/2
=3
23×3|8+23×5|8
=23×(3/8+5/8)
=23×1
=23
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