A EQUATION IS NUMBER THAT CAN BE FORMED IS TO

THE TOTAL OF A NUMBER EQUATION

IT IS A FORM OF A NUMBER IN DIFFERENT PLACE VALUES

DIGITS ARE NUMBERS THAT MAKE OTHER NUMBERS

IT IS THE WHAT IS HAPPENING IN THE STORY NOT HOW TO SOLVE IT

IT IS WHAT YOU HAVE TO DO TO SOLVE IT. IT ALSO HAS AN INVERSE OPERATION

IT WHEN YOU SWICH PLUS OR SWICH MINUS

IT IS THE RANGE BETWEEN THE TWO NUMBERS