Concept:Apply the BODMAS rule: Brackets, Orders, Division, Multiplication, Addition, Subtraction. This order ensures correct simplification.
Explanation:First, solve the bracket and division:
29÷1=29.
Next, multiplication:
22×1=22.
Replace these results:
86+33−29+22+44−16.
Add all positive numbers:
86+33+22+44=185.
Add all negative numbers:
29+16=45.
Subtract:
185−45=140.
As an alternate step-by-step:
86+33=119;
119−29=90;
90+22=112;
112+44=156;
156−16=140.
The calculation is straightforward because any number divided or multiplied by 1 remains the same.
Answer:140, which is option A.