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

Toán Lớp 6: 23.79+52.21+77.79+21.48 giúp với????????????????????????????

Toán Lớp 6: 23.79+52.21+77.79+21.48
giúp với????????????????????????????

Comments ( 2 )

  1. 23*79+52*21+77*79+21*48
    = 21(48+52) + 79(77+23)
    = 21*100+79*100
    = 100(21+79)
    = 100*100
    =10000
    Chúc bạn học tốt =)))

  2. $@Zeng$
    $23.79+52.21+77.79+21.48$
    $=79(23+77)+21(48+52)$
    $=79.100+21.100$
    $=7900+2100$
    $=10000$

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

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