Question

exercitiul 12 va rog
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Answer 1

Răspuns:

Explicație pas cu pas:

a)

= 5/3+(-5⁵⁾/18⁽⁹*81⁽⁹/20⁽⁵)

=5/3 - 1/2*1/4

=⁸⁾5/3-³⁾1/8

= 40/24-3/24=37/24

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b)

= 5/8+63⁽⁹/10⁽⁵ * ( -5⁽⁵/27⁽⁹)

=5/8-7/6=-13/24

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c)

=45/28* (-16/27) -1/6

=5/7*4/3-1/6

=⁶⁾20/21-²¹⁾1/6= (120-21)/ 126= 99⁽³/126⁽³= 33/43

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d)

=-28⁽⁴/15⁽⁵*(-12⁽⁴/5⁽⁵) -4/15

= (-7/3)*-(1/3)= ⁵⁾7/9-³⁾4/15

=35/45-12/45= 23/45

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