1) |-4,3| + −2,7-2,7−2,7 = 4,3 + 2,7 = 72) 12 - −12-12−12 + 0 + −23-23−23 + 23 = 24 + 0 - 23 + 23 = 243) -x = -21 - −35-35−35 = -21 + 35 = 144) -3 1/7 - −31/7-3 1/7−31/7 = -3 1/7 + 3 1/7 = -6/7
1) |-4,3| + −2,7-2,7−2,7 = 4,3 + 2,7 = 7
2) 12 - −12-12−12 + 0 + −23-23−23 + 23 = 24 + 0 - 23 + 23 = 24
3) -x = -21 - −35-35−35 = -21 + 35 = 14
4) -3 1/7 - −31/7-3 1/7−31/7 = -3 1/7 + 3 1/7 = -6/7