oblicz wartości wyrażeń dla: a=1/5, b=2 , c=1 , d=1/3 5b-b do kwadratu= 5a-a do kwadratu= 5c-c do kwadratu= 5d-c do kwadratu= (a-1/10):3= (b-1/10):2= (c-1/100:6= (c-2/6):6= (d-2/6):14= plis daję naj;* ej ta / oznacza kreskę ułamkową

a=1/5, b=2 , c=1 , d=1/3 5b-b do kwadratu= 5*2-2^{2} = 10-4 = 6 5a-a do kwadratu= 5*1/5-(1/5)^{2} = 1-1/25 = 24/25 5c-c do kwadratu= 5*1-1^{2} = 5-1 = 4 5d-c do kwadratu= 5*1/3-1^{2} = 5/3-1 = 5/3-3/3 = 2/3 (a-1/10):3= (1/5-1/10):3 = (2/10-1/10):3 = 1/10:3 = 1/30 (b-1/10):2=(2-1/10):2 = (20/10-1/10):2 = 19/10:2 = 19/20 (c-1/100):6=(1-1/100):6 = 99/100:6 = 33/200 (c-2/6):6= (1-2/6):6 = 4/6:6 = 4/36 = 1/9 (d-2/6):14= (1/3-2/6):14 = (2/6-2/6):14 = 0:14 = 0   ^{2} do kwadratu

a=1/5 b=2 c=1 d=1/3 5b-bkw=5*2-2*2=10-4=6 5a-akw=5*1/5-1/5*1/5=1-1/25=24/25 5c-ckw=5*1-1*1=5-1=4 5d-ckw=5*1/3-1*1=5/3-1=1 2/3-1=2/3 (a-1/10):3=(1/5-1/10):3=(2/10-1/10)*1/3=1/10*1/3=1/30 (b-1/10):2=(2-1/10):2=1 9/10*1/2=19/10*1/2=19/20 (c-1/100):6=(1-1/100):6=99/100*1/6=99/600=33/200 (c-2/6):6=(1-2/6):6=4/6*1/6=4/36=1/9 (d-2/6):14=(1/3-2/6):14=(2/6-2/6)*1/14=0*1/14=0 ps.kw oznacza kwadrat