Răspuns:
999×86 = 85 914
123×17 = 291
85 914-291=83 823 acesta la primul la 26
44 + 840+ 2048+704= 3636
4×( 11+210+512+176)=4×909=3636
980+1925+2156+392=2159297
7×(140+275+308+56)=7×779=3116
2400-2100=300
3×(800-700)=3×100=300
480 - 0=480
8×(60-0)=480
