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nndnnsnsmdjanan
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-3
b)–2–4–1 =
-7
c)12–7+3 =
5+3
8
d)4+13–21 =
17-21
-4
e) (+8) – (+5) =
8-5
3
f)(–8)+(–5) =
-8-5
-13
g)(–3)+(+9) =
+6
h)(+2)+(–7) =
- 5
i)–13+7–2–8+15–1 =
-6-10+14
-16+14
-2
j)+22–3–14–5+24+12 =
+19-19+36
+ 36
+1
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