1、(1)68.84 (2)85.4416 (3)67.515 (4)289.918(5)101.79(6)243.264 (7)16.828 (8)15.624(9)0.13815 (10)1.3527(11)0.41632(12)3.6452(13)91.23.8(14)0.7560.18(15)51.30.27 (16)260.13(17)2101.4(18)2.6880.56 (19)10.62525 (20)12645(21)1025 (22)2.77.5(23)150.06(24)25.60.032(25)14.362.7(26)8.336.2(27)1.70.03 (28)3242(
2、29) 1.251.2 (30)2.410.7 (31)1285.6= (32) 783.5= (33)9.63.2= (34) 653.2= (35)542.3= (36)320.4= (37) 360.09= (38)420.006= (39)783.6= (40) 450.005= (41) 810.9= (42)7.20.8= (43)10001.25= (44)102.5= (45)1203.5= (46)7.52.3= (47)8.63.2= (48) 793.6= (49)8.63.6= (50)2.50.005= (51)360.0006= (52) 7.52.6= (53)
3、6.30.007= (54) 8.60.0036= (55)460.0032= (56)8.40.21= (57) 7.63.2= (58)9.80.32= (59) 4.60.023= (60)350.005= (61)390.0003= (62) 5.6.0007= (63) 5.50.5= (64)1231.23= (65) 0.002550= (66)5.6700= (67)6.30.007= (68) 7.64.8= (69)5.63.2= (70) 7.829= (71)6985.3210= (72) 99.9444=(73)366183= (74)65.55= (75)67.550= (76)30.250.25=(77)157.5 = (78)30.62525= (79)4.8120= (80)1252500