Răspuns:
1065: (7+2x(3+5x2)):11= (7+2(3+10)):11=(7+2x13):11=(7+26):11=33:11=3
1066: 22018 m -12048 m=9970m
1067: 30 Km............. 1 secunda
x Km................86400
=>x= 30x86400=2592000
1068: 7+2=9+8=18-2=16x10=160
Explicație pas cu pas:
