63000х(627+163)х(937-637):90000=
627+163=790 63000х790=49770000 937-637=300 49770000х300=14931000000 14931000000:90000=165900
1)627 + 163 = 790
2)937 - 637 = 300
3)63000 * 790 * 300 / 90000 = (630000 / 90000) * 79 * 300 = 7 * 79 * 300 = 2100 * 79 = 165900