864-357=507; 160-48=112; 735+65=800; 620-20+10=610; 620-200+20=440; 630-200+30=460; 44:11*17=68; 80:16*9=45; 72:8*11=99.
Так
864-357=507; 160-48=112; 735+65=800; 620-20+10=610; 620-200+20=440; 630-200+30=460; 44:11*17=68; 80:16*9=45; 72:8*11=99.
Так