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

Toán Lớp 6: 2.x.2.x.2.x.x ; d) a.a + b.b + c.c.c.c

Toán Lớp 6: 2.x.2.x.2.x.x ; d) a.a + b.b + c.c.c.c

Comments ( 2 )

  1.  2.x.2.x.2.x.x
     =2.2.2.x.x.x.x         
     =2^3.x^4
    d) a.a+b.b+c.c.c.c
        =a^2 + b^2 + c^4
     

  2. 2.x.2.x.2.x.x
    = 2^3 . x^4
    d) a.a + b.b + c.c.c.c
    = a^2 + b^2 + c^4

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