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

Toán Lớp 2: 35+40 = = = 86-52 = = = 73-53 = = =

Toán Lớp 2: 35+40
…………
…………
…………
86-52
…………
…………
…………
73-53
…………
…………
…………
5+62
…………
…………
…………
33+55
…………
…………
…………
88-6
…………
…………
…………,giúp cho em

Comments ( 2 )

  1. 35+40
    =5+30+40
    =5+70
    =75
    86-52
    =80+6-(50+2)
    =80+6-50-2
    =30+6-2
    =34
    73-53
    =70+3-(50+3)
    =70+3-50-3
    =20+3-3
    =20
    5+62
    =5+60+2
    =60+7
    =67
    33+55
    =11xx3+11xx5
    =11xx(3+5)
    =11xx8
    =88
    88-6
    =80+8-6
    =80+2
    =82.

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

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