а)3 1/9-(3.5+ 2 1/9)=
1) 3.5+2 1/9=5 11/18
2) 3 1/9-5 11/18= - 1 1/2 или -1,5
б) 1 5/14- ( 1 2/7-2 9/14)=
1) 1 2/7-2 9/14= -9/14
2) 1 5/14-(-9/14)=2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а)3 1/9-(3.5+ 2 1/9)=
1) 3.5+2 1/9=5 11/18
2) 3 1/9-5 11/18= - 1 1/2 или -1,5
б) 1 5/14- ( 1 2/7-2 9/14)=
1) 1 2/7-2 9/14= -9/14
2) 1 5/14-(-9/14)=2