表达式1: 2exponent left parenthesis, negative mod left parenthesis, negative StartFraction, floor left parenthesis, "x" times 10 , right parenthesis Over 10 , EndFraction , 2 , right parenthesis , right parenthesis2exp−mod−floorx·1010,2
1
表达式2: mod left parenthesis, StartFraction, floor left parenthesis, "x" times 10 , right parenthesis Over 10 , EndFraction , 2 , right parenthesismodfloorx·1010,2