Question

Pomocy z matmy ułamki :{ a) 5-3/2 * 1/2 = b) 1 5/12 : 1/2 - 2 1/2 = c) 1 1/9 * 2 2/5 + 2 d) 6 3/5 : 3 2/3 - 1 1/2 =

Answer 1

:{ a)

5-3/2 * 1/2 =5-3/4=4 1/4

b)

1 5/12 : 1/2 - 2 1/2 =17/12:1/2-2 1/2=

=17*12*2/1-2 1/2=17/6-2 1/2=2 5/6-2 1/2=

=2 10/12-2 6/12=4/12=1/3

c)

1 1/9 * 2 2/5 + 2=10/9*12/5+2=8/3+2=2 2/3+2=4 2/3

d)

6 3/5 : 3 2/3 - 1  1/2 =33/5:11/3-1 1/2=

=33/5*3/11-1 1/2=9/5-1 1/2=1 4/5-1 1/2=

=1 8/10-1 5/10=3/10