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( )× 8分之1 =0.2 × ( ) = ( ) :3分之2 = 1
人气:328 ℃ 时间:2020-06-12 08:36:11
解答
(8 )× 8分之1 =0.2 × (5 ) = (3分之2 ) :3分之2 = 1
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