求下列各比的比值 1.5:2.1 14:35 5/8:5/6 6:10/21
4个回答
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1.5:2.1
=15 : 21
=5 : 7
=5/7
14:35
=2 : 7
=2/7
5/8:5/6
=6: 8
=3: 4
=3/4
6:10/21
=3: 5/21
=63: 5
=63/5
=15 : 21
=5 : 7
=5/7
14:35
=2 : 7
=2/7
5/8:5/6
=6: 8
=3: 4
=3/4
6:10/21
=3: 5/21
=63: 5
=63/5
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1.5:2.1-5:7
14:35-2:5
5/8:5/6-3:4
6:10/21-63:5
14:35-2:5
5/8:5/6-3:4
6:10/21-63:5
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1.5:2.1
=1.5÷2.1
=5/7
14:35
=14÷35
=2/5
5/8:5/6
=5/8÷5/6
=5/8×6/5
=3/4
6:10/21
=6÷10/21
=6×21/10
=63/5
=1.5÷2.1
=5/7
14:35
=14÷35
=2/5
5/8:5/6
=5/8÷5/6
=5/8×6/5
=3/4
6:10/21
=6÷10/21
=6×21/10
=63/5
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