20 to the base 10 = 1
Therefore 2 + 1 = 3
Base 5
1119461 (to the base 10)
Only when you are counting in Base 4. When counting in Base 10, 2 + 2 would equal 4.
11011 base 2 is equal to 27 in base 10 321 base 4 is equal to 57 in base 10 27+57=84
10.
If 2 + 3 = 5 = 10(base 5), then 9 + 7 = 16 = 31(base 5).
Expressed as a sum in base 2:11 + 10 = 101
7
When you are counting in base 4. Or possibly when the "plus" operation is defined in an unusual manner.
In base six arithmetic: 16 + 26 + 36 = 106 Another contributor's answer: 3+2+1 = 10
2 and a half plus 2 and a half plus 10 plus 10 = 25
Convert each value to base10 & then sum In base4 the places are 1, 4, 16, 64 So 3210 base4 = 3*64 + 2*16 + 1*4 = 228 In base 3 the places are 1, 3, 9,27 So 210 base 3 is 2*9 + 1*3 = 21 In base 2 the places are 1,2,4,8 So 10 base 2 = 1 * 2 = 2 So 228 + 21 + 2 = 251