Question

Oblicz:

10-(3 1/5(jedna piąta)-2 1/4 * 1/3)=

(3/7 - 5/12 + 1 1/2) : (2 3/4 - 5/6)=

Answer 1

10 - (16/5 - 9/12) = 10 - (16/5 - 3/4) = 10 - (64/20 - 15 /20 ) = 10 - 49/20 = 10- 2 9/20 = 7 11/20

 

( 3/7 - 5/12 + 18/12): (11/4 - 5/6) = (3/7 - 23/12) : (66/24 - 20/24) = (36/84 - 161/84) : (66/24 - 20/24) = - 125/84 : 46/24 = - 125/84 * 24/46 = - 3000/ 3864

Answer 2

=10-(3 1/5)-9/4*1/3=6 4/5-9/12=34/5-9/12=121/20

 

=127/161