1.

Simplify:\[\mathbf{(}\sqrt{\mathbf{20}}\mathbf{+}\sqrt{\mathbf{1125}}\mathbf{-}\sqrt{\mathbf{567}}\mathbf{)}\]\[\mathbf{(}\sqrt{\mathbf{500}}\mathbf{+}\sqrt{\mathbf{245}}\mathbf{+9}\sqrt{\mathbf{7}})\]

A. 2012
B. 878
C. 1445
D. 567
Answer» C. 1445


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