Răspuns:
a) (8+19)÷3=27÷3=9
49÷(3+4)=49÷7=7
(5÷5+5÷1)+(30÷10)=6+3=9
b) (28÷4-6)×(7×9-60)=1×3=3
0+(7×8-4×4)=56-16=40
50-48=2
0+8=8
