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7)calculeaza
repede dau coroana ​


7calculeaza Repede Dau Coroana class=

Răspuns :

Răspuns:

a)(144/25 - 9/4) • 5/13 =

(576-225)/100 • 5/13 =

351/100 • 5/13 =

351/260

b)(169/25 - 4/9) • 5/7 • 27/29 =

(1521-100)/225 • 5/7 • 27/29 =

1421/45 • 1/7 • 27/29 =

1421/5 • 1/7 • 3/29 =

4263/1015