1 x 63, 3 x 21, 7 x 9.
An example is: 9*7 = 63
1 x 63, 3 x 21, 7 x 9, 9 x 7, 21 x 3, 63 x 1.
Just divide both sides by 7...
welll first of all 9x7=63 and 7x9=63
122
9
what equals 63
what x3 equals 63 is:21x3=63
To calculate 63 x 87, you can use the standard multiplication method. First, multiply 63 by 7 (the units place of 87), which equals 441. Next, multiply 63 by 80 (the tens place of 87), giving you 5040. Finally, add the two results together: 441 + 5040 = 5541. Thus, 63 x 87 equals 5,481.
63-84 equals = -21
500 equals 500 - whether with multiplication or division or whatever.
1 x 95, 5 x 19.