Răspuns :
a:b=7
a-b=726
a=7xb
7xb-b=726
6xb=726
b=726:6
b=121
a=121x7= 847
847:121=7
847-121=726
a-b=726
a=7xb
7xb-b=726
6xb=726
b=726:6
b=121
a=121x7= 847
847:121=7
847-121=726
Notam cu a si b numerele
a:b = 7 => a = 7×b
a-b = 726
a |__|__|__|__|__|__|__|
b |__|
7 segmente - 1 segment = 6 segmente = 726
726:6 = 121 (un segment)
a = 121×7 = 847
b = 121
Verificare:
847 - 121 = 726
a = 847
b = 121
a:b = 7 => a = 7×b
a-b = 726
a |__|__|__|__|__|__|__|
b |__|
7 segmente - 1 segment = 6 segmente = 726
726:6 = 121 (un segment)
a = 121×7 = 847
b = 121
Verificare:
847 - 121 = 726
a = 847
b = 121