Answer: 67+26=(60+7)+(20+6)
=(60+20)+(7+6)
=80+13
=93
Explanation:
To find 67 + 26 using partial sums, we need to split each number into tens and ones, and then add them separately. We can write the equation as follows:
67+26=(60+7)+(20+6)
=(60+20)+(7+6)
=80+13
=93
Therefore, 67 + 26 = 93 using partial sums.