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

Toán Lớp 5: 1×5+2×8+3×11+4×14+…+16×50 cho 3 phut

Toán Lớp 5: 1×5+2×8+3×11+4×14+…+16×50
cho 3 phut

Comments ( 2 )

  1. 1×5=5
    2×8=16
    3×11=33
    4×14=64
    5×17=85
    6×20=120
    7×23=161
    8×26=208
    9×29=261
    10×32=320
    11×35=385
    12×38=456
    13×41=533
    14×44=616
    15×47=705
    16×50=800
    Xin 5 sao vs ctlh
     

  2. 1×5=52×8=163×11=334×14=645×17=856×20=1207×23=1618×26=2089×29=26110×32=32011×35=38512×38=45613×41=53314×44=61615×47=70516×50=800

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

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