You need to average 9/3 = 3 math lessons per hour.
A + 23 + 3 * (-9)A + 23 - 27 A - 4
Factor strings are multiplication sentences. 3 x 3 is a factor string for 9.
1 x 27 3 x 9 3 x 3 x 3
3 minus -6 is 9.
You need to average 9/3 = 3 math lessons per hour.
1 and 9 3 and 3
3
The equation 3 by 3 is 9. This is a math equation.
12
A + 23 + 3 * (-9)A + 23 - 27 A - 4
9
The common factors are: 1, 3, 9.
Factor strings are multiplication sentences. 3 x 3 is a factor string for 9.
because you need 3 different numbers for 4 sentences
1 x 27 3 x 9 3 x 3 x 3
time 3