Question

pliss pomóżcie zadanie 6 w załączniku zróbcie działanie daje naj

Answer 1

a)1/2+1/3+1/4 = 6/12+4/12+3/12= 13/12 = 1  1/12

 

b) 1  2/5 +3  4/10+ 2 1/2  = 7/5+34/10+5/2 = 14/10+34/10+25/10 = 73/10 = 7,3

 

c) 4 1/3-2 2/5+1 1/5 = 13/3-12/5+6/5 = 65/15-36/15+18/15 = 47/15 = 3  2/15

 

d) 7 - 3 1/3 - 2 1/8 = 7/1-10/3-17/8 = 168/24-80/24-51/24 = 37/24 = 1 13/24

 

e) 3 3/4  - 2  2/3  +6 - 3 5/6 = 15/4-8/3+6/1-23/6 = 45/12-32/12+72/12-46/12 = 39/12 = 3,25

 

f) 10-( 2 1/9 -1/2 +1 5/6) = 71/9-8/6 = 142/18-24/18 = 118/18 = 6 10/18

 

g)( 4 1/3- 2 2/5) - ( 6 3/5 - 5 2/3)=  4 1/3+5 2/3 - 2 2/5-6 3/5 = 10-9  = 1

 

h) 3 1/4+2 2/5 - ( 4 1/3-2 2/3) = 65/20+48/20-5/3 = 113/20 - 5/3 = 339/60- 100/60= 239/60=3 59/60