7 Solve using compensation.
a 28 + 86
b 39 + 63
F 51 + 39
g 93 +47
k 63-31
184 - 39
c72 + 46
h 56 - 38
m 96 - 63
d 63 94
i 80 - 27
n 70 - 58
47 + 86
j 97 - 29
64 - 42
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Answer:
add the following it is very easy
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