14 20/29-(3 13/29+2 7/29)- 5 6/7=3 69/203
1) 3 13/29+2 7/29=5 20/29
2)14 20/29-5 20/29= 9 20/29
3) 9 20/29 - 5 6/7= 9 140/203 - 5 174/203=8 343/203 -5 174/203 = 3 69/203
б)(5 1/14 - 1 9/14) - (2 11/14+ 5/14)= 3 1/7
1) 5 1/14 - 1 9/14= 4 15/14 - 1 9/14= 3 6/14 = 3 3/7
2) 2 11/14 + 5/14= 3 1/7
в)(4 13/16 +8 7/16) - 5 7/16= 7 13/16
1) 4 13/16 + 8 7/16 = 13 4/16
2)13 4/16 - 5 7/16 = 12 20/16 - 5 7/16= 7 13/16
г)15 19/32 - ( 14 19/32 + 25/32)= 7/32
1) 14 19/32 + 25/32= 15 12/32
2) 15 19/32 - 15 12/32 = 7/32