This is a really stupid problem for Russian first-graders (7 years old or so). Given the picture below, find the difference between the unknown numbers. That’s it, really. I’m not joking.
The difference means...
“The difference” means you have to subtract something from something. Answers like “the difference is that there is one unknown number to the left and two to the right” sound OK, but unfortunately are wrong.[collapse]
The unknown numbers are...
If you think that the unknown numbers are 6, 5 and 3, you’re correct. But how on earth do you find the difference between three numbers?[collapse]
Almost the answer
Don’t forget that this problem is for 7 year olds and it’s all about subtraction.[collapse]