作业帮9又4/5×5-12×(1/4+1/6-1/2)
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/30 15:33:37
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9又4/5×5-12×(1/4+1/6-1/2)
9又4/5×5-12×(1/4+1/6-1/2)
9又4/5×5-12×(1/4+1/6-1/2)
9又4/5×5-12×(1/4+1/6-1/2)
=(9+4/5)×5-12×1/4-12×1/6+12×1/2
=9×5+4/5×5-3-2+6
=45+4+1
=50