(40.000-3.786)х4                                 40.000-3.786х4,    8.905+7.080х6                     (8.905+7.080)х6,                               0:9          0х9

(40.000-3,786)*4=36,214*4=144,856(8,905+7,080)*6=15,985*6=95,9140,000-3,786*4=40,000-15,144=24,8568,905+7,080*6=8,905+42,48=51,385 0:9=00*9=0