(4 x 5) + (2 x 4) = 28
5x2=10 10-3=7 7x4=28
5 x 3! - (4 - 2) = 30 - 2 = 28 5 x 3! - (4 ÷ 2) = 30 - 2 = 28 (2 x 3 x 5) - √4 = 30 - 2 = 28
84
2^3+(4*5)=8+20=28
25 + 3 = 28 25 x 3 = 75 The two numbers are therefore 25 and 3.
28 = 24 + 4 = (3 x 8) + (6 - 2)
They are: 2+3+5+7+11 = 28
31-3+2=30 31-3=28 28+2=30 17 + 11 + 2
By using: (3*6)+(3*2) = 24
5x2=10 10-3=7 7x4=28
25 and 28
5 x 3! - (4 - 2) = 30 - 2 = 28 5 x 3! - (4 ÷ 2) = 30 - 2 = 28 (2 x 3 x 5) - √4 = 30 - 2 = 28
84
average of first five prime numbers = 5.6 first five prime numbers = 2, 3, 5, 7, 11average = sum of first prime numbers/5= (2 + 3 + 5 + 7 + 11)/5= 28/5= 5.6
2 x 2 x 3 = 12 2 x 2 x 7 = 28 2 x 2 x 2 x 5 = 40 2 x 2 x 2 x 3 x 5 x 7 = 840, the LCM
28 = 22 × 7 42 = 2 × 3 × 7
21+3 or using all the numbers: 21 + (3*(2-1))