See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
10 cards from this deck
One counterexample collapses an argument
One
All, every, for every
666 (multiple of 2, not 4)
n=4n = 4n=4
151515
15=5×315 = 5 \times 315=5×3 (not prime)
222
222 is prime and even
Yes, one is enough to disprove
Select your subjects, and get access to A+ resources today.