Răspuns:
72:9x7=56
6+(4+6)=16
324+(70:10)=331
45:5+91=100
6x6:9=4
27:3x8=26
(10-4)x2=12
3x(25:5):5=3
56:7+9x(15-7)=80
72:(27-18)+5x(13-6)=43
88-60:(14-8)+5x8=118
4x(8:2x2-4x2)+2=2
ex2 b) 56:8=7
c) 8x8=16
=72:9=8
=16-8=8