Răspuns :
1/4, 3/4, 6/8, 7/8. Acestea sunt fractiile echivalente .Imi pare bine ca team ajutat !!!
___________
| x | x |
|_____|_____| => 1/4=0,25000
| x | x |
|_____|_____|
___________
| x | x |
|_____|_____| => 3/4=0,75000
| x | |
|_____|_____|
____________ ___________
| x | x | + | x | |
|_____ |_____| |_____|_____| =>4/4+1/4=5/4=1,25000
| x | x | | | |
|_____ |_____| |_____|_____|
_________________
| x | x | x | x |
|____|___ |___ |___ | => 6/8=3/4=0,75000
| x | x | | |
|____|___ |___ |____|
_________________
| x | x | x | x |
|___ |____|____|___ | =>7/8=0,87500
| x | x | x | |
|____|___ |____|___ |
_________________ _________________ __________________
| x | x | x | x | + | x | x | x | x | + | x | x | | |
|____|___ |____|___ | |___ |___ |____|____| |____|____|____|____|
| x | x | x | x | | x | x | x | x | | | | | |
|____|___|____ |___ | |___ |___ |____|____| |____|____|____|____|
=> 8*8+8/8+2/8=18/8=9/4=2,25000
3/4 este echivalent cu 6/8
0,75000=0,75000
| x | x |
|_____|_____| => 1/4=0,25000
| x | x |
|_____|_____|
___________
| x | x |
|_____|_____| => 3/4=0,75000
| x | |
|_____|_____|
____________ ___________
| x | x | + | x | |
|_____ |_____| |_____|_____| =>4/4+1/4=5/4=1,25000
| x | x | | | |
|_____ |_____| |_____|_____|
_________________
| x | x | x | x |
|____|___ |___ |___ | => 6/8=3/4=0,75000
| x | x | | |
|____|___ |___ |____|
_________________
| x | x | x | x |
|___ |____|____|___ | =>7/8=0,87500
| x | x | x | |
|____|___ |____|___ |
_________________ _________________ __________________
| x | x | x | x | + | x | x | x | x | + | x | x | | |
|____|___ |____|___ | |___ |___ |____|____| |____|____|____|____|
| x | x | x | x | | x | x | x | x | | | | | |
|____|___|____ |___ | |___ |___ |____|____| |____|____|____|____|
=> 8*8+8/8+2/8=18/8=9/4=2,25000
3/4 este echivalent cu 6/8
0,75000=0,75000
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