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

Toán Lớp 4: a)367 x 5 + 4 x 367 + 367 b)128 x 93 + 128 x 7

Toán Lớp 4: a)367 x 5 + 4 x 367 + 367
b)128 x 93 + 128 x 7

Comments ( 2 )

  1. a)367 x 5 + 4 x 367 + 367
    = 367 x (5 + 4 + 1)
    = 367 x 10
    = 3670
    b)128 x 93 + 128 x 7
    = 128 x (93 + 7)
    = 128 x 100
    = 12800
    Chúc bạn học tốt !!!!!

  2. a) 367xx5+4xx367+367
    =367xx(5+4+1)
    =367xx10
    =3670
    b) 128xx93+128xx7
    =128xx(93+7)
    =128xx100
    =12800
     

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