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
