a) 10 000 – 108 x 23 + 225:5 = 7567
1 011 + 110:10 – 101 1 – 1 = 920
873 x 15 x 3 x 0 + 425:5:5= 77
3 099 – 450: 90 + 9 307 – 93 = 72. 308
331 x 45 – 784: 7 + 100 : 100 = < 6289
15 930 – 7 880 : 2 – 78 000 : 1 000 = 2.92 in scris?​