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

Toán Lớp 7: 78nhân33 +78nhân66+78 giải gấp ae ơi

Toán Lớp 7: 78nhân33 +78nhân66+78 giải gấp ae ơi

Comments ( 2 )

  1. \text {Mon}
    78 xx 33 + 78 xx 66 + 78
    =78 xx ( 33 + 66 + 1)
    =78 xx ( 99 + 1)
    =78 xx 100
    =7800

  2. ~ Bạn tham khảo ~
    78 * 33 + 78 * 66 + 78
    = 78 * (33 + 66 + 1)
    = 78 * 100
    = 7800

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

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