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

Toán Lớp 4: 31204 + 68213 + 68796 + 21787 = ……………………………………… = ……………………………………… = ………………………………………

Toán Lớp 4: 31204 + 68213 + 68796 + 21787
= ………………………………………
= ………………………………………
= ………………………………………

Comments ( 2 )

  1. 31204+68213+68796+21787
    =(31204+68796)+(68213+21787)
    =10 0000+90 0000
    =19 0000

  2. $31204 + 68213 + 68796 + 21787$
    $= ( 31204 + 68796 ) + ( 68213 + 21787 ) $
    $= 100000 + 90000$
    $= 190000$

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