Yeah as someone else pointed out it’s a shit question because they’re forcing you to make 8 into 10 instead of letting you choose 9, which logically more easily converts into 10–you just borrow one from the 8 and add it to 9.
It reminds me of my friends who had to take college calculus, which i had had in high school with an actual retired engineer, who had no time for the definition of a derivative and basically taught us the chain rule on day 2. Whereas my friends were forced to do worksheet after worksheet the long way—it just makes you hate math instead of admiring its utter elegance and simplicity.
Nonanonanon 3 points 1.9 years ago
Yeah as someone else pointed out it’s a shit question because they’re forcing you to make 8 into 10 instead of letting you choose 9, which logically more easily converts into 10–you just borrow one from the 8 and add it to 9.
It reminds me of my friends who had to take college calculus, which i had had in high school with an actual retired engineer, who had no time for the definition of a derivative and basically taught us the chain rule on day 2. Whereas my friends were forced to do worksheet after worksheet the long way—it just makes you hate math instead of admiring its utter elegance and simplicity.