1)72|2 108|2
36|2 54|2
18 |2 27|3
9 |3 9|3
3 | 3 3|3
1|1 1|1
1. 1
НОД (72;108)=2*2*3*3=36
НОК(72;108) =2*2*2*3*3*3=216
2)36/84=18/42=6/34=3/17
0,375=375/1000=75/200=15/40=3/8
14×12/20×28=1×3/5×2=3/10=0,3
3)3 1/4+1 2/3= 3 3/12+1 8/12=4 11/12
4-1 5/6=3 6/6-1 5/6=2 1/6
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Answers & Comments
1)72|2 108|2
36|2 54|2
18 |2 27|3
9 |3 9|3
3 | 3 3|3
1|1 1|1
1. 1
НОД (72;108)=2*2*3*3=36
НОК(72;108) =2*2*2*3*3*3=216
2)36/84=18/42=6/34=3/17
0,375=375/1000=75/200=15/40=3/8
14×12/20×28=1×3/5×2=3/10=0,3
3)3 1/4+1 2/3= 3 3/12+1 8/12=4 11/12
4-1 5/6=3 6/6-1 5/6=2 1/6