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a fost răspuns

1 Transformati in fractii ordinare ireductibile :0,75 ; 3,8 ; 0,(6) ; 0,2(7)
2 Comparati fractiile 17 supra 7 si 19 supra 8 aducandu-le la acelasi numitor

Răspuns :

Uhaciioan
0.75=75/100=15/20=3/4
3.8=38/10=19/5
0.(6)=6/9=2/3
0.2(7)=27-2/90=25/90=5/18

8)17/7=136/56
7)19/8=133/56
MAI MARE 136/56 adica 17/7
0,75=75/100=simplif=15/20=3/4
3,8=38/10=19/5
0,(6)=6/9=2/3
0,2(7)=(27-2)/90=25/90=5/18

2) 17/7=(17x8)/(7x8)=136/56
19/8=(19x7)/(8x7)=133/56
17/7>19/8

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