Question 4 (c)
Find the sum of: –312, 39 and 192
(–312) + 39 + 192 First add 39 and 192, i.e., 39 + 192 = 231 then, –312 + 231 = –81 Hence, (-312) + 39 + 192= -81
(a) 137 and −354 (b) − 52 and 52
(c) − 312, 39 and 192 (d) − 50, − 200 and 300