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calculati: 11 supra 21:121 supra 28;26 supra 9:169 supra50;15 supra 64:9 supra 8;34 supra 9:51 supra 18
VA ROG REPEDE


Răspuns :

11/21 : 121/28
=11/21 x 28/121
=1/3 x 4/11
= 4/33
B))
26/9 : 169/50
= 26/9 x 50/169
= 2/9 x 50/13
= 100/117
C))
15/64 : 9/8
= 15/64 x 8/9
= 5/8 x 1/3
= 5/24
D))
34/9 : 51/18
= 34/9 x 18/51
= 2 x 2/3
= 4/3
Sper ca te-am ajutat !