912×2=1824; 406×15=2030+4060=6090;
824×25=4120+16480=20600;
822×208=6526(+0000 промежуточно)+16440=170926;
916×625=4580+18320+549600=572500;
535×4=2140;
708×23=2124+14160=16284;
234×58=1,872+11,700
=13,572;
106×245=530+4,240+21,200
=25,970;
464×225=2,320+9,280+92,800
=104,400;
54×27=378+1,080
=1,458;
509×36=3,054+15,270
=18,324;
780×410=7,800+312,000
=319,800;
700×280=196,000;
6,760×2,300=2,028,000+13,520,000=15,548,000;
34×75=170+2,380
=2,550;
108×75=540+7,560
=8,100;
300×520=156,000;
960×120=19,200+96,000=115,200;
8500×660=510,000+5,100,000=5,610,000;
76,363÷7=