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Va rog frumos calculați!
Dau coroana.
3/7×2/5;
3/8×9/11.



Răspuns :

[tex]a)\frac{3}{7} \times \frac{2}{5} = \frac{3 \times 2}{7 \times 5} = \frac{6}{35} [/tex]

[tex]b) \frac{3}{8} \times \frac{9}{11} = \frac{3 \times 9}{8 \times 11} = \frac{27}{88} [/tex]
A) 3/7 x 2/5= 3x2/7x5=6/35
B)3/8x9/11=3x9/8x11=27/88