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( )()( )乘以7=( )17 2( )3( )乘以4=( ) ( )48 ()8乘以8=( )24
人气:142 ℃ 时间:2019-10-10 06:04:53
解答
(1 )(3)(1 )乘以7=( 9)17
2(0 )3(7 )乘以4=(8 ) ( 1)48
(2)8乘以8=(2 )24
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