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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: giúp em với : 345+[132+(-345)+(-32)]

Toán Lớp 6: giúp em với : 345+[132+(-345)+(-32)]

Comments ( 2 )

  1. 345+(132-345-32)
    =345+132-345-32
    =(345-345)+(132-32)
    =0+100
    =100
     

  2. 345+[132+(-345)+(-32)]
    =345+132+(-345)+(-32)
    =[345+(-345)]+[132+(-32)]
    =0+100
    =100
     

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222-9+11+12:2*14+14 = ? ( )

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