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3/28:1/7----→?×5/6-----›?:15/16----›?×9/10----›=?



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REPEDEE!​

Răspuns :

Stoicaemilia272

Explicație pas cu pas:

3/28:1/7= 3/28×7/1|:7=> 3/4

3/4×5/6= 3/4×5/6= 15/24|:3=> 5/8

5/8:15/16= 5/8×16/15=> 3/2

3/2×9/10= 27/20

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