1.

(0.798)2+0.404×0.798+(0.202)2−−−−−−−−−−−−−−−−−−−−−−−−−−−−√+1=?(0.798)2+0.404×0.798+(0.202)2+1=?

A. 0
B. 2
C. 1
D. 0.404
Answer» B. 2


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