Abacus-Finger Abacus-Finger Maths- How and When we need to apply Combination Friend Formula for +9

Hello friends, once again welcome to your own YouTube channel ABC Tube TV In the last video, we learned which numbers we apply the combination friend formula to. What is the formula for a plus 8 combination friend? And when and how do we apply this in finger avocates? If you want to learn the full course of Finger Avocates for free And you haven't subscribed to my channel yet So quickly subscribe to my channel Also, like and share my video. As we learned in the previous video whenever we need to add any number from 6, 7, 8, and 9 But we are not able to add these numbers directly or with the help of big friends. So we have to take help from the combination friends formula. Whenever you need to add any number from 6, 7, 8, 9 First of all, you need to check it Whether you can directly add these numbers or not If you cannot directly add these numbers Then, using the help of big friends, you have to add these numbers. If even with the help of your big friends you're still not managing to cope, Then you'll have to get help from your combination friends' formula. So, let's take an example and understand it. You may need to seek help from the combination friends formula at times. Malije, you need to add 5 plus 9. These will be our fingers on the abacus for 5. Now you have to add 9. We cannot directly address this issue. So, how will we approach 9? With the help of Big Friends Formula. So the formula for the big friends of plus 9 is, plus 10 minus 1 These will be our plus 10 minus 1. We cannot directly do minus 1. So, how will we do minus 1? Now we will subtract minus 1, Which is what happens, Here, we also need to take great help from the Big Friends Formula. And even the small friends' formula needs to be used. When we combine these two formulas, Then we get it, So our formula is, This is ours. Combine both the big friend and the small friend. Therefore, we will call this formula The formula for the combination of plus 9 will be: So let's take some more examples, Let's learn to apply the Plus 9 combination friend formula even better. The first question is ours. We cannot directly add plus 9. So, we will add plus 9 with the help of our first big friend, We cannot directly do minus 1. Then we'll seek help from the combination friend formula. plus 10, minus 5, plus 4 plus 5, plus 9 plus 10, minus 1 Here, we have added 9 with the help of Big Friend. So our answer is 28. Next question is. Cannot even do plus 10, minus 1 So minus 5, plus 4, The answer is 14. Next question is this, We cannot do minus 1. So how will we do it? minus 5, plus 4 plus 5, the answer is 19 Next question is. we cannot directly add 9 to it, Now let's check whether we can add 9 with the help of Big Friend. plus 10, not minus 1 So now we will apply it combination friend to, The answer is 14. Next question is. The answer is 23. Next question is. Plus 10, minus 1, we cannot do. The answer is 14. Next question is. The answer is 23. Next question is this, The answer is 14. Next question is. The answer is 16. Next question is this, The answer is 24. There are two questions left. This is your homework, You must solve these questions using the help of a finger abacus only. And you have to give the answer in the comment box. This is our video for today. Today we learned that Use of the Combination Friend Formula with Plus 9 We in finger abacus When and in what manner do you do it? I'm excited about today's video You must have learned something new. If you have learned something new, So, like my video from Jalli. And your friends and family members with Please also share it. So that they can also use finger abacus for free And up to now, if you've liked my channel If you haven't subscribed yet, hurry up Also subscribe to my channel. Thank you for watching.