Question

1.
Grupează.
17 - 9 = 17 - 7 - 2 = 10 - 2 = 8
15 - 6 =
12 - 8 =
18 - 9 =
17 - 9 = 10 - 9 + 7 = 1 + 7 = 8
17 - 8 =
13 - 6 =
14 - 7 =
I 14​

Answer 1

15-6=10-6+5 =4+5=9

12=10-8+2=2+2=4

18-9=10-9+8=1+8=9

17-8=10-8+7=2+7=9

13-6=13-3-3=10-3=7

14-7=10-7+4=3+4=7