31Dec

решите уравнения 2/3+х =8/9

прщловыыы Математика 1 3

решите уравнения 2/3+х =8/9

Posted by прщловыыы | Posted at Dec 31, 2013 | Categories: Математика

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vfrcbveirf

x=8/9 -( 2/3)2 x=8/9-6/9 x=2/9

Dec 31, 2013 20:34

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