Question

EXERCISE 2.2
Use Cordova Smart Class Software on the smart board in class to do Exercise.
1. Add :
KO
3
(11)
3 7
5 4
(1)
(io)
4 11
7 14
2. Find the difference:
12
5 3
(1)
7 7
3. Find the sum :
(11)
11 7
16 12
(111)
7 2
9 3
(iv)
15
19
57
5
3
3
5
(1) 3
+ 1
(11) 3
NIN
(111) 12
+ 1 -
(iv) 10
9
+ 6.
12
3
MATHEMATICS-7​

Answer 1

Answer:

Sorry don't have a Cordova smart class bla bla

Answer 2

Answer:

l am sorrybecause have not understand