Question

1.25×1.25-2×1.25×0.25+0.25×0.25

• A. 2
• B. 3
• C. 1
• D. 4

Answer 1

Answer:

C. 1

(a-b)^2=a^2-2ab+b^2 (1.25-0.25)^2=1^2=1