Oblicz:
8/7x2,2-(0,5)do kwadratu=
8/7*2 1/5-0,25=8/7*8/7-0,25=64/30-0,25=2 4/30-0,25=2 2/15-0,25=2 2/15-4/25=19/15-4/15=15/15=1
8/7x22/10-0.25=
176/70-0.25=2.514-0.25=2.264
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8/7*2 1/5-0,25=8/7*8/7-0,25=64/30-0,25=2 4/30-0,25=2 2/15-0,25=2 2/15-4/25=19/15-4/15=15/15=1
8/7x2,2-(0,5)do kwadratu=
8/7x22/10-0.25=
176/70-0.25=2.514-0.25=2.264