(700: а+200)-600=1000 (7200-а*200)+2000=3400 (у: - вопрос №66608397002006001000720020020003400435120300050160 от dorisova 04.10.2022 06:22

Question

Математика: (700: а+200)-600=1000 (7200-а*200)+2000=3400 (у: 4-35)*120=3000 (50*у+160)-60=500

dorisova · Answer

700:а+200=1000+600700:а+200=1600700:а=1600-200700:а=1400а=700:1400а=0.57200-а*200=3400-20007200-а*200=1400а*200=7200-1400а*200=6800а=6800:200а=34у:4-35=3000:120у:4-35=25у:4=35+25у:4=60у=60:4у=1550*у+160=500+6050*у+160=56050*у=400у=400:50у=4...