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

Toán Lớp 5: tính : 6,21 : 4,5 + 31,5 : 4,5 – 7,74 : 4,5

Toán Lớp 5: tính :
6,21 : 4,5 + 31,5 : 4,5 – 7,74 : 4,5

Comments ( 2 )

  1. 6,21:4,5+31,5:4,5-7,74:4,5
    =(6,21+31,5-7,74):4,5
    =(37,71-7,74):4,5
    =29,97:4,5
    =6,66

  2. 6,21 : 4,5 + 31,5 : 4,5 – 7,74 : 4,5
    =(6,21+31,5-7,74):4,5
    =29,79:4,5
    =6,62

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