2*( [ (8 +4) : (-3)] - 1 =
3 1/2 =
1/2 + 1/3 -1/4
4 1/2: (3 2/3 - 2 1/2) =
1 4/5
(6 2/3 - 5 3/4): 1 1/12 =
3 2/3: 1 1/4
2 1/2 : 1 1/3 + 3 3/4 * 4 1/5 - 6 1/4 : 7 1/7 =
Prosze o rozwiązanie wszystkich zadań
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2* [ ( 8 + 4) : (-3) ] - 1 = 2*[ 12 : (-3)] - 1 = 2*( -4) - 1 = -8 - 1 = - 9
[ 3 1/2 ] / [ 1/2 + 1/3 - 1/4 ] = ( 7/2 ) / [ 6/12 + 4/12 - 3/12] =
= ( 7/2) / (7/12) = (7/2)*( 12/7) = 6
[ 4 1/2 : ( 3 2/3 - 2 1/2) ] / ( 1 4/5 ) =
= [ 9/2 : ( 3 4/6 - 2 3/6) ] / ( 9/5 ) =
= [ 9/2 : (1 1/6) ] / ( 9/5) =
= [ (9/2) : ( 7/6) ] / ( 9/5) =
= [ (9/2)*(6/7) ] / ( 9/5) =
= (27/7) * (5/9) = 15/7 = 2 1/7
[( 6 2/3 - 5 3/4 ) : ( 1 1/2) ]/ [ 3 2/3 : 1 1/4] =
= [ ( 6 8/12 - 5 9/12) : ( 3/2) ] / [ 11/3 : 5/4 ] =
= [ ( 11/12) *(2/3) ] / [ (11/3)*( 4/5)] =
= ( 11/18) / ( 44/15) = (11/18)*( 15/44) = (1/6)*(5/4) = 5/24
2 1/2 : 1 1/3 + 3 3/4 * 4 1/5 - 6 1/4 : 7 1/7 =
= 5/2 : 4/3 + 15/4 * 21/5 - 25/4 : 50/7 =
= 5/2 * 3/4 + 63/4 - 25/4 * 7/50 =
= 15/8 + 64/4 - 7/8 = 15/8 + 128/8 - 7/8 = 136/8 = 17