21.77＋52.32＝
98.44＋43.36＝
17.16－15.51＝
68.41－30.91＝
86.93－54.74＝
35.18＋37.07＝
92.03－64.75＝
86.1－60.02＝
49.33－10.68＝
30.9－27.38＝
14.37＋44.27＝
65.87＋52.17＝
57.89＋95.96＝
39.13＋58.46＝
11.73＋50.8＝
33.12＋81.76＝
69.73＋97.78＝
18.73－15.06＝
42.5－21.44＝
36.99＋37.37＝
97.37－32.15＝
95.65＋98.31＝
74.42－36.17＝
71.38－41.71＝
67.43＋35.1＝
39.21－17.87＝
66.69－14.86＝
72.12－35.01＝
55.01－47.56＝
60.27＋44.42＝
96.96＋36.22＝
85.2＋37.83＝
20.04＋27.82＝
76.48－50.05＝
48.59＋21.82＝
90.96＋59.52＝
42.09＋72.74＝
78.21－22.41＝
30.49＋88.29＝
38.14＋23.71＝
62.25－18.09＝
26.87＋60.05＝
69.48＋52.77＝
50.15－47.8＝
80.26＋44.04＝
74.01－38.43＝
62.58＋44.74＝
58.71－37.87＝
57.56＋75.16＝
68.01＋73.27＝
57.06＋12.78＝
56.24－29.13＝
17.33＋58.55＝
65.04＋58.99＝
15.85＋51.41＝
75.33－59.28＝
33.54－27.87＝
20.37＋20.97＝
68.09－35.21＝
69.24＋35.4＝
44.89－13.02＝
38.55＋20.65=
