Odpowiedzi

2010-04-13T10:55:20+02:00
Oblicz:
a) 9*272/3=3*272=816
b)161/2*4/ -2=161/1*2/ -2=-161
c)253/2*125 -2/3=253/2*125 -2/3=15 812 i 1/2-2/3=15 812 i 3/6-4/6=
15 811 i 5/6
d)7*(1/49)-1/2=1*(1/7)-1/2=1/7-1/2=2/14-7/14=-5/14
2010-04-13T10:56:54+02:00
A) 9*272/3 =816

b)161/2*4/ -2 = -161
c)253/2*125 -2/3 = 253*62,5-2/3=15811,83
d)7*(1/49)-1/2 =1/7-1/2= -5/14
2010-04-13T10:57:05+02:00
A) 9*272/3 = 816
b)161/2*4/ -2 = -161
c)253/2*125 -2/3 = 15812 i 1/2 - 2/3 = 15812 i 3/6 - 4/6 = 15811 i 5/6
d)7*(1/49)-1/2 = 1/7 - 1/2 = 2/14 - 7/14 = -5/14