题目内容

竖式计算
12.42+0.48=
0.56+11.534=44-22.13=
91-22.035=52.6+21.237=9.15-2.18=
12.42+0.48=12.9,
12.42
+0.48

.
12.90
0.56+11.534=12.094,
0.56
+11.534

.
12.094
44-22.13=21.87,
44
-22.13

.
21.87
91-22.035=68.965,
91
-22.035

.
68.965
52.6+21.237=73.837,
52.6
+21.237

.
73.837
9.15-2.18=6.97.
9.15
-2.18

.
6.97
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