اختبار الكتروني properties of addition

1
check the following operation
2
check the following operation
3
check the following operation
4
check the following operation
5
which property used in the following addition
6
which property used in the following addition
7
which property used in the following addition
8
which property used in the following addition
9
The additive identity element in the rational numbers is …
10
choose the correct answer
11
choose the correct answer
12
choose the correct answer
13
The additive inverse for number zero is......
14
The additive inverse of -.05 is
15
choose the correct answer