48+52*2怎么用简便方法计算？

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50-2+(50+2)*2
=50+100-2+4
=150+2
=152
老师对过的裂陵，绝御历对镇源搜没错

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48+52*2
=45+52+52
=100+52
=152

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50-2+(50+2)*2
=50+100-2+4
=150+2
=152

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