Podaj liczę odwrotną do a.
a= 1,25+(1,8: 1 1/5 - 2/3):(- 1/3)(do potęgi 2)=
a=1,25+(9/11-2/3):1/9=1,25+(27/33-22/33):1/9=1,25+5/33:1/9=5/4+5/33:1/9= 165/132+20/132:1/9=185/132:1/9=1665/132=555/44
lb odwrotna 44/555
5/4 + (9/5 * 5/6 - 2/3) : 1/9 = 5/4 + (3/2 - 2/3) : 1/9 = (5/4 + 5/6 ) : 1/9 = (30/24 + 20/24) : 1/9 = 25/12 * 9 = 75/4
a= 75/4
4/75
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a=1,25+(9/11-2/3):1/9=1,25+(27/33-22/33):1/9=1,25+5/33:1/9=5/4+5/33:1/9= 165/132+20/132:1/9=185/132:1/9=1665/132=555/44
lb odwrotna 44/555
5/4 + (9/5 * 5/6 - 2/3) : 1/9 = 5/4 + (3/2 - 2/3) : 1/9 = (5/4 + 5/6 ) : 1/9 = (30/24 + 20/24) : 1/9 = 25/12 * 9 = 75/4
a= 75/4
4/75