Write the first three backwards and put in next to the second three (which is written correctly). It should look like the number eight.
-8
When you take the two numbers and put them together as an image you can come up with your results.
Eight plus eight equal 16
3
Five plus eight does not equal one. It equals thirteen.
Three books plus five books equals eight books. Three bananas plus five bananas equals eight bananas. Three houses plus five houses equals eight houses. Three tenths plus five tenths equals eight tenths.
negative eight plus eight equals zero
No.
42
67 plus 3 equals 70.
3 plus 1 plus 4 equals 8
Yes, -8 plus plus 3 equals -5. The "plus plus" is equivalent to a positive sign, so -8 plus (+3) equals -5.