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

Toán Lớp 6: 13 19 =- + =- 12 18

Toán Lớp 6: 13 19
—- + —-
12 18

Comments ( 2 )

  1. 13/12 + 19/18 = 39/36 + 38/36 = {39 + 38}/36 = 77/36
    #dtkc

  2. 13                19                  234                  228              462                  77
    —-   +      ——=         ——-    +       ——-    =. ——-    =     ——-
    12                  18                   216                   216             216                36
     

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

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