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10/3÷15×27/4
=10/3×27/4÷15
=45/2÷15
=3/2
18/35÷0.6×5/6
=18/35×5/3×5/6
=6/7×5/6
=5/7
35/128÷（1/8+3/4）
=35/128÷7/8
=35/128×8/7
=5/16
8/13÷7+1/7×5/13
=8/13×1/7+5/13×1/7
=（8/13+5/13）×1/7
=1/7
=10/3×27/4÷15
=45/2÷15
=3/2
18/35÷0.6×5/6
=18/35×5/3×5/6
=6/7×5/6
=5/7
35/128÷（1/8+3/4）
=35/128÷7/8
=35/128×8/7
=5/16
8/13÷7+1/7×5/13
=8/13×1/7+5/13×1/7
=（8/13+5/13）×1/7
=1/7
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