18-1,3298:4,36+10,5×0,01=
1) 1.3298 / 4.36 = 132.98 / 436 = 0,305 2) 10, * 0,01 =0,105 3)18 - 0,305 = 17,695 4)17,695 + 0,305 = 18 PROFIT