5/14+х+9/14=2/9+9/10= (2/3+х)+(1/5+1/3)=9/10+4/5-3/ - вопрос №688391851491429910231513910453 от nastyabulgakov1 18.12.2020 07:08

Question

Математика: 5/14+х+9/14=2/9+9/10= (2/3+х)+(1/5+1/3)=9/10+4/5-3/

nastyabulgakov1 · Answer

1)5/14+х+9/14=2/9+9/101+х=1 11/90х=1 11/90-1х=11/902)(2/3+х)+(1/5+1/3)=9/10+4/5-3/102/3+х+1/5+1/3=9/10+8/10-3/101+х+1/5=1 4/10 1 1/4+х=1 4/10х=1 4/10-1 1/4х=3/20ОТВЕТ:11/90 и 3/20...