Index
=>
If
p
b
c
a
q
c
a
b
r
=
0
, find the value of
p
p
-
a
+
q
q
-
b
+
r
r
-
c
,
p
≠
a
,
q
=
b
,
r
≠
c
.
Matching exercise
Match the items on the right to the items on the left.
Check
OK
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7