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Folosind proprietatile adunarii si inmultirii, efectuati: e)(4 intregi si 1/3-37,12-13/3); f) ( 1/37- 4/112+ 36/117) x ( 4/3 -1,(3);

Răspuns :

Slavitescudora
e) 4 intregi 1/3=13/3
37,12=3712/100=928/25
13/3-928/25-13/3= -928/25

f) 1,(3)=(13-1)/9=12/9=4/3
(1/37-1/28+4/13)×(4/3-4/3)=(1/37-1/28+4/13)×0=0

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