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13/9×45/39×12/5×2=?????
5/12×7/15×7/12×9/8×11/14=????
65/30×32/45×9/8×13/24=???


Răspuns :

13/9 × 45/39 × 12/5 × 2 = 7262.4

5/12 × 7/15 × 9/8 × 11/14 = 0.171...

65/30 × 32/45 × 9/8 × 13/24 = 0.938...

Sper ca e bun