Question

8-2-1=8-? 9-3-2=9-? 10-4-5=10-? spunetimi va rog cum se fac rezolvarile​

Answer 1

Răspuns:

8-2-1=8-×(×=?)

5=8-x

×=8-5

×=3

9-3-2=9-×

4=9-×

×=9-4

×=5

10-4-5=10-×

1=10-×

×=10-1

×=9