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a) 1,25
b) 7,2
zadanie 2
a) 48/4 = 12
b) 8 1/4
mam nadzieję, że pomogłam :)
(27,75 :4,625)* 1,20 = 6 * 1,20 = 7,2
3 3/4 : (2 5/6 + 1 1/3) = 3 3/4 :(17/6 + 4/3)=16/4 : (25/6)=16/4 * 6/25 = 96/100 = 24/25
1/4 + 5 1/3 * 1 1/2 = 1/4 + 16/3 * 3/2 = 1/4 + 8 = 8 1/4