Question

ex 5 și 6 va rog repede !

Answer 1

5) a) 2si 4/5=(2×5+4)/5=14/5;
b) 3si1/9=(3×9+1)/9=28/9
c) 6si3/4=(6×4+3)/4=27/4
d) 7si2/3=(7×3+2)/3=23/3
e) 5si1/4=(5×4+1)/4=21/4
f ) 15si1/7=(15×7+1)/7=106/7
g) 1si8/15=(1×15+8)/15=23/15
h) 2si9/25=(2×25+9)/25=59/25
i) 4si2/15=(4×15+2)/15=62/15
j) 1si1/2018=(1×2018+1)/2018=2019/2018

6)19/4=4si3/4, deci 4 <19/4 <5
27/5=5si2/5,deci 5 <27/5 <6
9/5=1si4/5, deci1 <9/5 <2
29/2=14si1/2, deci 14 <29/2<15
13/6=2si1/6, deci 2 <13/6 <3
19/7=2si5/7, deci 2 <19/7 <3