Question 8
Observe the pattern and the relationships among the numbers below:
2 ▽ 4 = 87
5 ▽ 1 = 54
3 ▽ 7 = 2120
6 ▽ 6 = 3635
Calculate 9 ▽ 8.
Self-study rule (editorial): multiply the two inputs, then concatenate the product with one less than the product, in that order.
2 ▽ 4 = 87
5 ▽ 1 = 54
3 ▽ 7 = 2120
6 ▽ 6 = 3635
Calculate 9 ▽ 8.
Self-study rule (editorial): multiply the two inputs, then concatenate the product with one less than the product, in that order.