(1)(√2-1)的0次方+|-3|-(-(1/2))的-1次方=1+3+1/2=4.5 (2)0.25×(-1/2)-²-(π/3)的0次方+5=0.25×4-1+5=1-1+5=5(3)5-(-1/3)的-1次方+|-3|-(π-2)的0次方=5+3+3-1=10(4)|-5|+(-(1/3))的-1次方×(π-√2)的0次方-√9+(-1)²=5-3×13+1=5-1+1=5