(44,96+28,84:(13,7-10,9)):1,8
(44,96+28,84:(13,7-10,9)):1,8= (44,96+28,84:2,8):1,8= (44,96+10,3):1,8= 55,26:1,8=30,7
(44.96+28.84:2.8):1.8=(44.96+10.3):1.8=55.26:1.8=552.6:18=30.7