Решите уравнения: (1/4+3/4x): 0,45=25/36 22*(17/26x-3/4)=51/13 - вопрос №539251514340452536221726345113 от berezinaanna199 22.03.2020 06:24

Question

Математика: Решите уравнения: (1/4+3/4x): 0,45=25/36 22*(17/26x-3/4)=51/13

berezinaanna199 · Answer

1. 1/4+3/4х=25/36*45/1001/4+3/4х=5/163/4х=5/16-1/43/4х=1/16х=1/16*4/3х=1/122. 17/26х-3/4=51/13*1/2217/26х-3/4=51/28617/26х=51/286+3/417/26х=265,5/286х=265,5/286*26/17х=1,4197861...