Oblicz.
a) 6 i 1/2 * 4/13 - 8/15 : 2=
b) 7 i 1/7 : 1 i 11/14 - 1 i 2/5 * 15/28=
6 1/2*4/13-8/15:2=2-4/15=1 11/157 1/7:1 11/14-1 2/5*15/28=4-3/4=3 1/4
a)
b)
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6 1/2*4/13-8/15:2=2-4/15=1 11/15
7 1/7:1 11/14-1 2/5*15/28=4-3/4=3 1/4
a)
b)