Răspuns:
22.468=11.234+11.234
86.440=43.220+43.220
408.602=204.301+204.301
31.
a)22468=11234+11234
22468=11234+10034+1200
b)86440=43220+43220
86440=80000+6000+440
c)405802=202901+202901
405802=405000+800+2
Sper ca te-am ajutat.
