
14分之9/6分之5-4分之3的差x24分之7 630+270/18X15 (12分之7-8分之3)x24-9分之5
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9/14÷(5/6-3/4)×7/24
=9/14÷1/12×7/24
=9/4
=2又1/4
630+270÷18×15
=630+15×15
=630+225
=855
(7/12-3/8)×24-5/9
=5/24×24-5/9
=5-5/9
=4又4/9
=9/14÷1/12×7/24
=9/4
=2又1/4
630+270÷18×15
=630+15×15
=630+225
=855
(7/12-3/8)×24-5/9
=5/24×24-5/9
=5-5/9
=4又4/9
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