4 by 4 MathDoku Puzzles Fill in the numbers 1 to 4 in such that each number appears only once in each row and colum. The grid is divided in so called cages with operators and target numbers. The numbers in each cages must produce the target number by using the operator of that cage. 3÷ 9+ 2− 12 × 1− 2− 8+ 16 × 2÷ 6+ 2÷ 6+ 2− 32 × 1− 7+ 2− 12 × 1− 6× 1− 6+ 4÷ 5+ 2− 7+ copyright: www.mathinenglish.com 3÷ Answers Fill in the numbers 1 to 4 in such that each number appears only once in each row and colum. The grid is divided in so called cages with operators and target numbers. The numbers in each cages must produce the target number by using the operator of that cage. 1 2 4 3 3 4 1 2 2 1 3 4 4 3 2 1 2 3 1 4 3 1 4 2 1 4 2 3 4 2 3 1 1 4 3 2 2 3 1 4 4 1 2 3 3 2 4 1 2 1 4 3 1 3 2 4 3 4 1 2 4 2 3 1 copyright: www.mathinenglish.com