Help about Math....... condition: odd number1,3,5,7,9 create a new number(new couple of number must be 3 numbers,like 135 or 179....ect) when you add these 3 number,how could you get a even number? 137:1+3+7=11 No, 139:1+3+9=13 No, 157:1+5+7=13 No, 339:3+3+9=15 No, 991:9+9+1=19 No, 775:7+7+5=19 No, 379:3+7+9=19 No 551:5+5+1=11 No, 773:7+7+3=17 No... Ect.......i got the answer already.lol there can be fraction(not sure the word.haha) can be like that, 1 3/3 then1+1=2... 1 5/5then 1+1=2 also....ect....god,im so slilly,haha,....