Question

1. Klectuează scăderile repetate:
a) 4 - 2 - 2 =
12 -3-3-3-3 =
24 - 6 - 6 - 6 - 6 =
20-5-5-5-5 =
b) 21 - 7 - 7 - 7 =
14-7-7=
36-9-9-9-9 =
40-8-8-8-8-8=​

Answer 1

Răspuns:

a)

4-2-2=0

12-3-3-3-3=0

20-5-5-5-5=0

b)

21-7-7-7=0

14-7-7=0

36-9-9-9-9=0

40-8-8-8-8-8=0