Matematică
davidvila2008
12

Efectuați : a) (5/4 - 7/12) : 2/5 - 4/3 b) 7/6 - 3/11*(2/9 - 5/6) c) (13/8 - 7/12) : 5/6 - 3/2

+1
(1) Răspunsuri
andululu

(5/4-7/12):2/5-4/3= (15/12-7/12)*5/2-4/3= 8/12*5/2-4/3=20/12-4/3=20/12-16/12=4/12=1/3

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