Помогите пжж............
7800 = 7000+800 7080 = 7000+80 8007 = 8000+7 30450 = 30000+400+50 30045 = 30000+40+5 3405 = 3000+400+5
7800=7000+800 7080=7000+80 8007=8000+7 30450=300000+400+50 30045=30000+40+5 3405=3000+400+5