Question

sluchajcie potrzebuje to na dzis najlepiej jak naj szybciej to sa zadania z ulamkow prosze o skracanie ulamkow i rozpisywanie ich

a) 1i 2/3- 1/6=

b)2 i 1/2-1i 3/4=

c)12i 7/10-8i 7/8=

d)4i 7/9-2i 11/12=

e)2i2/3* 3i3/4=

f)12i4/5* 2i 3/16=

g)4/21*7/12*3/5 =

h)9/14*10/11*22/45=

i)1i 1/2*1i1/3*1i1/4=

j)18*5/9*2i2/3=

k)1/4:3/8=

l)4/9:8/15=

ł)10:5/7=

m)5/8:20=

n)2i2/3:16=

o)9/28:3i3/14=

p)5i3/4:1i7/16=

r) 12i5/6:4i7/12=

s)2i2/5:4i1/6=

t) 10i5/8:8i1/2=

u)2i5/14:1i4/7=

w)3i3/4:12i1/2=

to jest razy *

a to podzielic :

Answer 1

A)1 i 2/3 - 1/6 = 5/3 - 1/6 = 10/6 - 1/6 = 9/6 = 1 i 1/2 b)2 i 1/2 - 1 i 3/4 = 5/2 - 7/4 = 10/4 - 7/4 = 3/4 c) 12 i 7/10 - 8 i 7/8 = 127/10 - 71/8 = 131/40 - 76/40 = 55/40 = 10 i 5/40 = 10 i 1/8 d)4 i 7/9 - 2 i 11/12 = 43/9 - 35/12 = 47/36 - 38/36 = 9/36 = 1/4 e)2 i 2/3 * 3 i 3/4 = 8/3 * 15/4 = 10 f)12 i 4/5 * 2 i 3/16 = 64/5 * 35/16 = 28 g)4/21 * 7/12 * 3/5 = 1/15 h)9/14 * 10/11 * 22/45 = 18/63 = 2/9 i)1 i 1/2 * 1 i 1/3 * 1 i 1/4 = 3/2 * 4/3 * 5/4 = 5/2 = 2 i 1/2 j)18 * 5/9 * 2 i 2/3 = 18/1 * 5/9 * 8/3 = 80/3 = 26 i 2/3 k)1/4 : 3/8 = 1/4 * 8/3 = 2/3 l)4/9 : 8/15 = 15/2 = 7 i 1/2 ł)10 : 5/7 = 10/1 * 7/5 = 14 m)5/8 : 20 = 5/8 * 1/20 = 1/32 n)2 i 2/3 : 16 = 8/3 * 1/16 = 1/6 o)9/28 : 3 i 3/14 = 9/28 : 45/14 = 9/28 * 14/15 = 1/10 p)5 i 3/4 : 1 i 7/16 = 23/4 * 16/23 = 4 r)12 i 5/6 : 4 i 7/12 = 77/6 * 12/55 = 14/5 = 3 i 3/4 s)2 i 2/5 : 4 i 1/6 = 12/5 * 6/25 = 75/125 t)10 i 5/8 : 8 i 1/2 = 85/4 * 2/17 = 85/68 = 1 i 17/68 u)2 i 5/14 : 1 i 4/7 = 32/14 * 7/21 = 32/42 w)3 i 3/4 : 12 i 1/2 = 15/4 * 2/25 = 3/10