Arina5594id
a fost răspuns

a)11/10-[2 1/3-(1/2) la puterea a 2-a ]:5/6
b)1 8/9 :[( 1 5/6 ) la puterea a 2-a - 1 8/9
va rog ajutați-mă dau coroana mâine dacă e răspunsul corect
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Răspuns :

Dianageorgiana794id

Răspuns:

11/10-[(2·3+1)/3-(1/2)²]:5/6=

11/10-(⁴⁾7/3-³⁾1/4):5/6=

11/10-(28/12-3/12)·6/5=

11/10-25/12·6/5=

11/10-⁵⁾5/2=

11/10-25/10=

(-14/10)⁽²= -7/5

_____________________

(1·9+8)/9:[(11/6)²-17/9]=

17/9:(121/36-⁴⁾17/9)=

17/9:(121/36-68/36)=

17/9:53/36=

17/9·36/56=17/14

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