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calculati transformand fractiile zecimale in fracti ordinare
1,5 x 3,2=
8,21 x 0,4 =
2,52 x0,(3)=
5/7 x 2,8=
9/38 x 4,(2)=
1,2(1) x 109 / 90 =


Răspuns :

15/ 10 x 32/10 = 480/100= 4,8
821/100x4/10=3284/1000=3,284
252/100x1/3=252/300
5/7x28/10=140/70=2
9/38x[tex]4 \frac{2}{9} [/tex]=9/38x38/9 =1
[tex]1 \frac{19}9{} [/tex]x 109/90 =28/9x29/9=812/81