Page 34 - NUMINO Challenge_B1
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3 Use four numbers from 1 to 9, , , , and parentheses only once,
and form an equation to get the greatest possible answer. Addition,
multiplication, and division must be used in the given order.
4 Use four 9’ s, operation symbols ( , , , ), and parentheses to
make the following equations true. (You can make 2-digit numbers by
putting two 9’ s together.)
9999 7 9999 9
9999 10 9999 19
9999 20 9999 80
9999 81 9999 720
31Number Puzzles
and form an equation to get the greatest possible answer. Addition,
multiplication, and division must be used in the given order.
4 Use four 9’ s, operation symbols ( , , , ), and parentheses to
make the following equations true. (You can make 2-digit numbers by
putting two 9’ s together.)
9999 7 9999 9
9999 10 9999 19
9999 20 9999 80
9999 81 9999 720
31Number Puzzles
