1) 6800 - 1648 = 51525152 : 8 = 644644 + 78 = 722722 * 4,31 = 3105,82
2) 4180 3 = 12540236 8 = 188812540 + 1888 = 14428100 - 14428 = -14328-14328 ,5
3) 110 * 6 = 66099 : 33 = 3660 - 3 = 657
4) 130 * 5 = 65072 : 24 = 3650 + 3 = 653
1) 6800 - 1648 = 5152
5152 : 8 = 644
644 + 78 = 722
722 * 4,31 = 3105,82
2) 4180 3 = 12540
236 8 = 1888
12540 + 1888 = 14428
100 - 14428 = -14328
-14328 ,5
3) 110 * 6 = 660
99 : 33 = 3
660 - 3 = 657
4) 130 * 5 = 650
72 : 24 = 3
650 + 3 = 653