oblicz:
( 5 1/3 - 2 2/5): 2
(5 1/2 - 3 1/4 ) do potęgi 2 :7
( 5 1/3 - 2 2/5): 2=(5 5/15 - 2 6/15) : 2= (4 20/15 - 2 6/15) :2= 2 14/15 :2= 44/15 * 1/2= 22/15= 1 7/15
(5 1/2 - 3 1/4 ) do potęgi 2 :7= (30 1/4 - 10 9/16) :7= 30 5/20 - 10 18/20= 29 25/20 - 10 18/20= 19 7/20
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oblicz:
( 5 1/3 - 2 2/5): 2=(5 5/15 - 2 6/15) : 2= (4 20/15 - 2 6/15) :2= 2 14/15 :2= 44/15 * 1/2= 22/15= 1 7/15
(5 1/2 - 3 1/4 ) do potęgi 2 :7= (30 1/4 - 10 9/16) :7= 30 5/20 - 10 18/20= 29 25/20 - 10 18/20= 19 7/20