14x26-650÷26=(10+4)x26-650÷13÷2=260+104-650÷13÷2=364-50÷2=364-25=339
(14*26-650)÷26=14*26÷26-650÷26=14-650÷13÷2=14-50÷2=14-25=-11
=14x26-13x50/26=26x(10+4)-26x25/26=260+104-25=364-25=339
14*26-650÷26=14*26-25=26*15-1=389
(14-650)*26=-16536
636
=14*26-650÷13÷2 =14*26-50÷2 =14*25+14-25 =13*25+14 =329
14x26-650除以26; =364-25; =339
14 x 26 - 650 ÷26 ÷26= 14 x 26 - 650 ÷26 x 1/26= 14 x 25 - 650 ÷ 1= 10x25 + 4x25 - 650= 250 + 100 - 650= 350 - 650= - 300
14X26-650÷26÷26=14X30-14X4-25÷26=420-56-25/26=364-25/26=363又26分之1