[+3]+[+1]
(-10)+(-2)
You need to help us a little with this problem. Tell us what you don't understand about it and indicate your grade level.
To solve the expressions [+] + [+] and (-) + (-), we need to understand the basic rules of addition and the concept of positive and negative numbers.
The expression [+] + [+] means that we need to add two positive numbers together. In this case, let's say we have the numbers 3 and 1. To add these numbers, we simply combine them, resulting in an answer of 4.
Similarly, the expression (-) + (-) means that we need to add two negative numbers together. Let's say we have the numbers -10 and -2. To add these numbers, we again combine them, resulting in an answer of -12.
The notation [+] represents a positive number, while (-) represents a negative number.
If there is anything specific you don't understand about the problem or the concept of positive and negative numbers, please let me know, and I'll be happy to provide further explanation. Additionally, please let me know your grade level, so I can tailor my explanation accordingly.