How to split such a network into 4 subnets and what address pool and mask will be in each subnet?

Question

Computer networks

We have such a network 10.10.103.0/24 with a mask of 255.255.255.0

Answer 1

255.255.255.192 everyone's mask
By the way, /26 is the mask.
1) 10.10.103.0/26
2) 10.10.103.64/26
3) 10.10.103.128/26
4) 10.10.103.192/26