Question

ma puteti ajuta???.​

Answer 1

Răspuns:

1. 2           3         2

  12          2         2

   1           4         6

2. 48:2= 24

16x5= 80

24+80=104

3. 42:7=6

6x12=78

4. ax5=b:4=20

15x5=80:4=20

5. 19x2=38

6. 18:6=3 (mere intr-un cos)

3x9=27 (mere in 9 cosuri)

7. a+b=36

a= b+6

36-6=30

30:2=15

a=15+6

a=21

b= 36-21

b=15