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(4分之1减6分之1)×24 (8分之3加4分之1)×16 5分之3减5分之3×6分之1
人气:367 ℃ 时间:2019-10-23 06:15:41
解答
(1/4-1/6)×24
=6-4
=2
(3/8+1/4)×16
=3/8×16+1/4×16
=6+4
=10
3/5-3/5×1/6
=6/10-1/10
=1/2
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