40450÷х=7621-7571
40450÷х=50
х=40450÷50
х=809
40450÷809=7621-7571
50=50
х×60=6907+43493
х×60=50400
х=50400÷60
х=840
840×60=6907+43493
50400=50400
40450÷х=7621-7571
40450÷х=50
х=40450÷50
х=809
40450÷809=7621-7571
50=50
х×60=6907+43493
х×60=50400
х=50400÷60
х=840
840×60=6907+43493
50400=50400