а) 87,5-(69,38+1,82)=16,3
1)69,38+1,82=71,2
2)87,5-71,2=16,3
____________
б) 14,39+23,61-0,63=37,37
1)14,39+23,61=38
2)38-0,63=37,37
__________
в) 4,2-(2,4506-(0,61-0,504))=1,8554
1)0,61-0,504=0,106
2)2,4506-0,106=2,3446
3)4,2-2,3446=1,8554
_______________
г) 2,7+(40-(16-2,07)=28,77
1)16-2,07=13,93
2)40-13,93=26,07
3)2,7+26,07=28,77
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а) 87,5-(69,38+1,82)=16,3
1)69,38+1,82=71,2
2)87,5-71,2=16,3
____________
б) 14,39+23,61-0,63=37,37
1)14,39+23,61=38
2)38-0,63=37,37
__________
в) 4,2-(2,4506-(0,61-0,504))=1,8554
1)0,61-0,504=0,106
2)2,4506-0,106=2,3446
3)4,2-2,3446=1,8554
_______________
г) 2,7+(40-(16-2,07)=28,77
1)16-2,07=13,93
2)40-13,93=26,07
3)2,7+26,07=28,77