Răspuns:
15) 41-2=39 p: 39+2=42
86-8=78 p:78+8=86
74-5=69 p: 69+5=74
53-6=47. p: 47+6=53
48-9=39. p: 39+9=58
86-7=79. p: 79+7=86
32-5=27. p: 27+5=32
16) x+7=36. x=29
x+(13-8)=74 x=69
34-x=8 x=26
X-9=83. x=92
a-(14-6)=67. x=75
82-x=9. x=73
SPER CA TE-AM AJUTAT!!
