Question

What was the first device used to perform addition and subtraction ?

1) Abacus
2) Pascaline
3) Napier's Bones​

Answer 1

Answer:

The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644. It could only do addition and subtraction, with numbers being entered by manipulating its dials

Explanation:

2)pascaline is the answer

Answer 2

Answer:

pascaline is the answer

Explanation:

hope it helps u