Решите 6 2/13-x=3 7/13 y-5 8/9=3 5/9 (z+2 4/11)-4 - вопрос №705155562133713589359241147111611 от timurSeytzhan 05.10.2020 03:50

Question

Математика: Решите 6 2/13-x=3 7/13 y-5 8/9=3 5/9 (z+2 4/11)-4 7/11=1 6/11

timurSeytzhan · Answer

1. 6*2/13-х=3*7/13-х=3*7/13-6*2/13-х=21/13-12/13-х=21-12/13-х=9/13х=-9/132. у=5*8/9=3*5/9у=3*5/9+5*8/9у=5/3+40/9у=15+40/9у=55/9у=6*1/93. (z+2*7/11)-4*7/11=1*6/11z+2*4/11-4*4/11=1*6/11z=1*6/11-2*4/11+4*7/11z=6/11-8/11+28/11z=6-8+28/11z=26/11z=2*4/11...