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

Toán Lớp 5: Tính nhanh: 60 : 0,2 + 60 + 60 : 0,25

Toán Lớp 5: Tính nhanh: 60 : 0,2 + 60 + 60 : 0,25

Comments ( 2 )

  1. 60:0,2+60+60:0,25
    =60:1/5+60+60:1/4
    =60×5+60×1+60×4
    =60×(5+1+4)
    =60×10
    =600
    #NoCopy
    #Chanhcun:))

  2. 60 : 2/10+ 60+60: 25/10
    =60: 1/5+ 60+ 60: 1/4
    =60 x 5+ 60+ 60 x 4
    =300+60+240
    =360 + 240
    =600
     

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