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Brain teasers with 9 numbers


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Number puzzles as mental jogging from 10 years upwards

After filling out the empty squares you simply click on the 'Finished...' button, to check if you have the right solution. The button 'I give up...' will display the answer.

327.572 number puzzles online:
The numbers from 1 to 9 can only be used once in the squares...
without applying the multiplication/division ahead of addition/subtraction rule!











9

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The puzzles are free of charge for private or non-commercial use in lessons.
Around 10 minutes a day spent practising are well worthwhile!


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