# Brain Training Puzzles Made by a Japanese Puzzle Creator

## Making 4 Numbers Equal 10

### Using all 4 numbers, make an equation that gives an answer of “10”.

You can use the symbols “＋−÷×” and brackets ( ).

[ 1 ] - [ 2 ] - [ 3 ] - [ 4 ] - [ 5 ] - [ 6 ] - [ 7 ] - [ 8 ] - [ 9 ] - [ 10 ] -

[ 11 ] - [ 12 ] - [ 13 ] - [ 14 ] - [ 15 ] - [ 16 ] - [ 17 ] - [ 18 ] - [ 19 ] - [ 20 ]

difficult

[ 1 ] - [ 2 ] - [ 3 ] - [ 4 ] - [ 5 ] - [ 6 ] - [ 7 ] - [ 8 ] - [ 9 ] - [ 10 ]

## Answer to Brain Teasers

An answer is displayed here.

Top : Brain Teasers From Japan

## Brain Training Puzzles

Rule of Numbers [20] Opened-up Cubes type1 [12] Opened-up Cubes type2 [8] Rule of the Circle (circular puzzle) [10] Rotated Figure Puzzle [7] Puzzle: Making 4 Numbers Equal 10 [40] Patterns/Pictures [10] Matrix Pattern Puzzle [8] Find the Same Pictures [10] One stroke drawing [14]## About

About this site Terms of Use About Puzzle Creator Kitamura ContactJapanese