1.

The value of1(12−140−−−√)−−−−−−−−−−√−1(8−60−−√)−−−−−−−−−√−2(10+84−−√)−−−−−−−−−−√=is?The value of1(12−140)−1(8−60)−2(10+84)=is?

A. 0
B. 1
C. 2
D. 3
Answer» B. 1


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