a/ 45+78+55+22 b/37+65+49+35+63 c/ 1997.5^2.2^2
= (45+55)+(78+22) = (37+63)+(65+35)+49 =1997. 7^2
=100+100 = 100+100+49 = 1997.49
=200 = 249 =97 853
d/ 9^2.78+9^2.22 e/43.127+4^3.52-4^3.79 g/
=81.78+81.22 = 43.127+64.52-64.79
=81. (78+22) = 43.127+64.(52
=81.100 Tập rỗng
=8100