(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=95,91 40,000-3,786*4=40,000-15,144=24,856 8,905+7,080*6=8,905+42,48=51,385 0:9=0 0*9=0