In Mathematics / Middle School | 2014-09-11
Asked by Nette29
Well since its mental math u have to use your mind without working it out so 81-16=65
Answered by Sophie21785 | 2024-06-10
To find 81 − 16 using mental math, first subtract 20 to get 61, then add back the 4 you subtracted too much. This gives you the final answer of 65. ;
Answered by Sophie21785 | 2024-12-26