问题描述:
(1)20分之3:1.5=60:( )(2)( ):12分之5=10:5(3)20分之1:0.25=1:( )(4)3.4:1.4=( )
(5)(4+7分之4)*7=( )(6)1:7分之5=7:( )(7)( ):2=10:( )(8)( ):4=6:( )(9)8分之5:8分之3=5:( )(10)4分之3:( )=6:48(11)7分之2:( )=2:5(12)0.3:0.4=30:( )(13)0.25:( )=2.5::30(14)( ):21分之10=15:10(15)0.25:( )=( ):20(16)3:( )=( ):12
(5)(4+7分之4)*7=( )(6)1:7分之5=7:( )(7)( ):2=10:( )(8)( ):4=6:( )(9)8分之5:8分之3=5:( )(10)4分之3:( )=6:48(11)7分之2:( )=2:5(12)0.3:0.4=30:( )(13)0.25:( )=2.5::30(14)( ):21分之10=15:10(15)0.25:( )=( ):20(16)3:( )=( ):12
问题解答:
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