问题
解答题
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答案
=1÷10=0.1,1 10
=0.6,所以23 5
=2.6;3 5
=0.625,所以15 8
=1.625;5 8
=9÷100=0.09;9 100
=7÷20=0.35;7 20
=1÷2=0.5;1 2
=1÷4=0.25;1 4
=31÷100=0.31;31 100
=23÷20=1.15;23 20
=2÷25=0.08.2 25
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=1÷10=0.1,1 10
=0.6,所以23 5
=2.6;3 5
=0.625,所以15 8
=1.625;5 8
=9÷100=0.09;9 100
=7÷20=0.35;7 20
=1÷2=0.5;1 2
=1÷4=0.25;1 4
=31÷100=0.31;31 100
=23÷20=1.15;23 20
=2÷25=0.08.2 25