Сравни 1098+d и d+1098 (345704+208009)+с и (345704+с)+208009 560+f+140+m и (560+m)+(f+140)

Question

Сравни 1098+d и d+1098 (345704+208009)+с и (345704+с)+208009 560+f+140+m и (560+m)+(f+140)

Answer 1

1.  1098+d = d+1098
2. (345704+208009)+c=(345704+c)+208009
3. Тут тоже =