1.

What is the simplified value of _x005F_x000D_ 125 - 24 - 124-23+123 - 22 - 122 - 21+ 121 - 20 ?

A. 5 + 2√5
B. 5 – 5√2
C. √25 + √21
D. √25 – 4
Answer» B. 5 – 5√2


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