Răspuns :
1} 7-1=6x5=30 metri 9-4=5x5=25 metri 2}118,124,142,181,214,222,241,412,421,811. al saptelea este241
1. 7-1 =6·5=30
9-4= 5·5=25 2.118,124,142,181,214,222,241,412,421,811
9-4= 5·5=25 2.118,124,142,181,214,222,241,412,421,811