a b c d a b c d a b c d a b c d a b c d a b c d a b c d Group A Group B Group C Group D a b 26 d c d a b About 30 About 50 About 100 About 200 a b c d integers between -6 and 6 whole numbers between -6 and 6 natural numbers between -6 and 6 rational numbers between -6 and 6 a b c d b a c d equilateral isosceles right scalene 0.1 0.25 0.5 0.75 a b c d b a c d a c d b |