7y/6=5/9 3+z/8=6/11 2x+1/3=1/2 343: a=98: 60 7: 8=x= - вопрос №79412787659386112131234398607896227108 от shchepelevason 04.11.2020 18:59

Question

Математика: 7y/6=5/9 3+z/8=6/11 2x+1/3=1/2 343: a=98: 60 7: 8=x= 96 2/x=27/108

shchepelevason · Answer

7y/6=5/97у*9=6*563у=30у=30/633+z/8=6/11z/8=6/11-33/11z/8=-27/1111z=-27*811z=-216z=-216/112x+1/3=1/22x=3/6-2/62x=1/6x=1/12343:a=98:6098a=343*6098a=20580a=20580/98a=2107:8=x:968х=96*78х=672х=842/x=27/10827х=108*227х=216х=8...