Question

Ce fractie lipseste?
1.
7-_ =4
Supra 8

2.
_-6=3
Supra10

3.
4+_=9
Supra6

4.
_-7=1
Supra10

5.
9+3-_=6
Supra9

6.
8-_+3=4
Supra9

7.
_+4-2=5
Supra8

8.
8-4-_=1
Supra6


Ajutor dau coroana

Answer 1

1.
7-_=4
7-4=3 lipseste
verificare:7/8-3/8=4/8

2.
_-6=3
3+6=9
9/10-6/10=3/10

3.
4+_=9
9-4=5
4/6+5/6=9/6

4.
_-7=1
1+7=8
8/10-7/10=1/10

5.
9+3-_=6
12-6=6
9/9+3/9-6/9=6/9

6.
8-_+3=4
3+4=7
8/9-7/9+3/9=4/9

7.
_+4-2=5
5-2=3
3/8+4/8-2/8=5/8

8.
8-4-_=1
8-4=4
4-1=3
8/6-4/6-3/6=1

Sper ca te-am ajutat!