20 = 400
-3
10 plus 10 equals 20 20 divide by 10 equals 2 2 plus 10 equals 12
20 x 3 and 20 + 2
20+20+20=60
1
3a+5=20
20 plus 20 equals 4020 plus 20 = 40
(20 x 4) + 25 - 52 = 53
Yes.
7+3=10 10*2=20
803 + 20 = 823823 - 100 = 723803 plus 20 minus 100 equals 723.