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Clementedcc
a fost răspuns

va rog ajutati-ma ; 1) scrieti subforma de:
- functie zecimala fractia 137/36
-fractie ordinara 3,0(24)

2) calculati; a) 1/63+5/63+3/63, b) 1/2+3/4+1/5, c) 3/4-1/6, d) 2 1/2 x 2/3 x 1/5, e) 3 1/2:21/4
3) ordonati crescator nuerele: a) 1/2 ; 3/4 ; 2/3 ; 5/6 ; 4/3 ; 7/8 ; 5/24 ; 17/48
b) determinati n apartine IN astfel incat 2/5<8/2n+1<1

Răspuns :

Ignatovvlad201
a)1+5+3pe63=9pe63=1pe7,  b)10+15+4pe20=29pe20, c)9-2pe12=7pe12,,d) 7×1pe5=7pe5, e) 31pe2×4pe21=31×2pe21=62pe21

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