Question

312:4*9-480:16*5 900:5:4+117*7:3

Answer 1

312 / 4 * 9 - 480 / 16 * 5 = 552

312 / 4 = 78

78 * 9 = 702

480 / 16 = 30

30* 5 = 150

702 - 150 = 552

900 / 5/ 4 + 117 * 7 / 3 = 318

900 / 5 = 180

180 / 4 = 45

117 * 7 = 819

819 / 3 = 273

45 + 273 = 318