5. 875-496 563+289 602+398 840:4 276*2 48:6*70 960:3 148*3 32:4*90 720:4 320*3 28:7*60

875 - 496 = 379

563 + 289 = 852

602 + 398 = 1000

840 : 4 = 210

276 * 2 = 552

48 : 6 * 70 = 8 * 70 = 560

960 : 3 = 320

148 * 3 = 444

32 : 4 * 90 = 8 * 90 = 720

720 : 4 = 180

320 * 3 = 960

28 : 7 * 60 = 4 * 60 = 240