(10*100^1/2lg9-lg2)+100^1/2-lg4根号410*(100^1/2lg9-lg2)+100^(1/2-lg4根号4)=?

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(10*100^1/2lg9-lg2)+100^1/2-lg4根号410*(100^1/2lg9-lg2)+100^(1/2-lg4根号4)=?

(10*100^1/2lg9-lg2)+100^1/2-lg4根号410*(100^1/2lg9-lg2)+100^(1/2-lg4根号4)=?
(10*100^1/2lg9-lg2)+100^1/2-lg4根号4
10*(100^1/2lg9-lg2)+100^(1/2-lg4根号4)=?

(10*100^1/2lg9-lg2)+100^1/2-lg4根号410*(100^1/2lg9-lg2)+100^(1/2-lg4根号4)=?
10*100^1/2lg9-lg2+100^1/2-lg4√4=10*10^lg9-lg2+10-3lg2=100-4lg2