October 2018 1 91 Report

Bardzo proszę o pomoc o to zad
Zad 1
a) 4/21 * 7/21 * 3/5 =
b) 9/14 * 10/11 * 22/45 =
c) 1i 1/2 * 1 i 1/3 *1 i 1/4 =
d) 18 * 5/9 * 2 i 2/3 =
Zad 2
Znajdź odwrotność liczb :
1/2 , 2/3, 4, 1 i 1/5 , 0,2 , 1,11, 0,008
Zad 3
a) 1/4 : 3/8=
b) 4/9: 8/15=

c) 10:5/7=

d) 5/8:20=
e) 2 i 2/3 : 16 =
f) 9/28 : 3 i 3/14=
Z góry dziękuję!


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