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

Toán Lớp 6: a,1/3+2/3+…+3 1/3+3 2/3=–… b,9+9/2+9/4+9/8+…+9/128+9/256=–… c,5/3+5/3*5+5/5*7+…+5/101*103=-… * là dấu nhân

Toán Lớp 6: a,1/3+2/3+…+3 1/3+3 2/3=………..
b,9+9/2+9/4+9/8+…+9/128+9/256=………..
c,5/3+5/3*5+5/5*7+…+5/101*103=…….
* là dấu nhân ,còn 3 2/3 là hỗn số
Các bạn giúp mình nhanh với nhé

Comments ( 1 )

  1.  A=2A-A=2-1/256, B= 9.(2- 1/256) = 18 – 9/256
     

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