Odpowiedzi

2009-12-01T16:01:17+01:00
2009-12-01T21:07:18+01:00
1 a) 3*1/7 = 3/7
b) 15* 2/5 = 3*2 = 6
c) 21*1/6 = 7/6 = 1 1/6
d) 1/7 * 7 = 1
e) 5/6 * 9 = 15/2 = 7 1/2
f) 1/12 * 24 = 12
g) 5 * 1 1/3 = 5 * 4/3 = 20/3 = 6 2/3
h) 3 1/8 * 4 = 25/8 * 4 = 25/4 = 6 1/4