mnożenie i dzielenie liczb dodatnich
oblicz:
a) 6/7 * 5/8
b) 2/8 * 5/9
c) 3(3/8) * 8/9
e) 7/11 * 12/24
f) 1(1/2) * 2/3
g) 3(1/5) * 2(1/4)
h) 1/9 * 9(1/2)
i) 3/7 : 7/3
j) 4(1/5) : 7/10
k) 1/2 : 1(1/4)
l) 1(1/8) : 8
m) 4/8 : 1/2
n) 3(3/11) : 3
o) 2(3/7) : 4(6/7)
ptosze o pomoc owydzięcze sie :)
i jakby co to są ułamki ;)
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a) = 30/56 = 15/28
b) = 10/72 = 5/36
c) = 27/8 *8/9 = 27/9=3
e) =84/262 = 7/22
f) = 1
g) = 36/5
h) = 1/9 * 19/2 = 19/18 = 1(1/18)
i) =3/7 * 3/7 =9/49
j) = 21/5 * 10/7 = 6
k) = 1/2 * 4/5 = 2/5
l) = 9/8 * 1/8 = 9/64
m) = 4/8 * 2/1 = 4/4 = 1
n) = 36/11 * 1/3 = 12/33
o) = 17/7 : 34/7 = 17/7 * 7/34 = 12/34