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解:456/52=8.769...
................8.769...
...... ————————
...52......456
.............416
——————————
...............400
...............364
——————————
.................360
.................312
——————————
...................480
...................468
——————————
.....................12
................8.769...
...... ————————
...52......456
.............416
——————————
...............400
...............364
——————————
.................360
.................312
——————————
...................480
...................468
——————————
.....................12
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