BBC2 年
Find pairs of values that satisfy equations with two variables
The ‘value’ of these letters can change according to certain rules or conditions we are given – hence we can call them variables ... values of a will make the equation balance!
BBC5 个月
Find pairs of values that satisfy equations with two variables
The ‘value’ of these letters can change according to certain rules or conditions we are given – hence we can call them variables ... values of a will make the equation balance!