Addizione 1
(121)3 + (122)3 = ?
| 1 | 11 | 111 | 111
121 + | 121 + | 121 + | 121 + | 121 +
122 = | 122 = | 122 = | 122 = | 122 =
----- | ----- | ------ | ------ | ------
| 0 | 20 | 020 | 1020
(121)3 + (122)3 = (1020)3
16 + 17= 10+6 + 10+7= 10+10 + 6+7= 10+10+10 + 3= 30 + 3= 33
121 + 122= 100+20+1 + 100+20+2= 100+100 + 20+20 + 1+2= 100+100 + 20+20+10= 100+100+100 + 20= 1000 + 20= 1020
(121)3 + (122)3= 9+6+1 + 9+6+2= 9+9 + 6+6 + 1+2= 9+9 + 6+6+3= 9+9+9 + 6= 27 + 6= (1020)3
Addizione 2
(222)3 + (122)3 = ?
| 1 | 11 | 111 | 111
222 + | 222 + | 222 + | 222 + | 222 +
122 = | 122 = | 122 = | 122 = | 122 =
----- | ----- | ----- | ------ | ------
| 1 | 21 | 121 | 1121
(222)3 + (122)3 = (1121)3
26 + 17= 20+6 + 10+7= 20+10 + 6+7= 20+10+10 + 3= 40 + 3= 43
222 + 122= 200+20+2 + 100+20+2= 200+100 + 20+20 + 2+2= 200+100 + 20+20+10 + 1= 200+100+100 + 20 + 1= 1000 + 100 + 20 + 1= 1121
(222)3 + (122)3= 18+6+2 + 9+6+2= 18+9 + 6+6 + 2+2= 18+9 + 6+6+3 + 1= 18+9+9 + 6 + 1= 27 + 9 + 6 + 1= (1121)3