Move horizontally and vertically passing through the numbers only once. Add up the numbers you pass. Which path has the greatest total? Write down this total.
I am a four-digit number. My ones' digit is the sum of my tens' and thousands' digit. My tens' digit is the sum of my hundreds' and thousands' digit. My hundreds' digit is one more than my thousands' digit. If my thousands' digit is 1, what number am I?
Each object represents a number: 6 + (big dark flower) = (small dark flower); 6 − (big dark flower) = (leaf); 6 × (big dark flower) = (spotted flower); (small dark flower) + (leaf) + (spotted flower) = 30. What number does the big dark flower stand for?