我做个翻译把。
Open up all fingers infront of you.
Put down first finger from the left. This is 1 X 9. You see the number 9.
Open up all your fingers again.
Put down second finger from the left. This is 2 X 9. You'll see 1 finger on your left side, and 8 fingers on your right. Answer is 18.
Open up all your fingers again.
Put down third finger from the left. This is 3 X 9. You'll see 2 fingers on your left and 7 fingers on your right. The answer is 27.
Open up all your fingers again.
Put down the fourth finger from the left. This is 4 X 9. You'll see 3 fingers on your left and 6 fingers on your right.
This carry on until 10 X 9.