Example:
6
4
6+4
10
-- + -- = -------- = ---- = 5
2
2
2
2
c. a
c
ad + bc
-- + -- = --------
b
d
bd
Example: 4 1
(4)(2) + (3)(1)
8+3
11
-- + -- = -------------- = ---- = ----
3 2
(3)(2)
6
6
d. a
c
ac
-- X -- = ----
b
d
bd
Example: 2
6 12
--X--= --
3
5 15
e. a
c
a
d
-- . -- = -- X --
b
d
b
c
Example: 2 4
2
5
10
-- -- = -- X -- = ----
3 5
3
4
12
f.
a
-a
a
---= --= --
b
b
-b
Example:
6
-6
6
- -- = -- = -- = -2
3
3 -3
1-7.
ORDER OF OPERATIONS
a. If parentheses or brackets are present, evaluate the expressions within first,
starting with the innermost set of parentheses using the rules that follow.
b. Evaluate any exponential expressions.
c. Evaluate any multiplications or divisions from left to right.
MD0837
1-5
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