a) √(10+3×√324)=√(10+3×18)=√(10+54)=√64=8
b) √(31+2×√625)=√(31+2×25)=√(31+50)=√81=9
c) √(16+5×√441)=√(16+5×21)=√(16+105)=√121=11
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a) √(10+3×√324)=√(10+3×18)=√(10+54)=√64=8
b) √(31+2×√625)=√(31+2×25)=√(31+50)=√81=9
c) √(16+5×√441)=√(16+5×21)=√(16+105)=√121=11