Question: Without using a calculator, evaluate (a) 5 6 (b) 1 2 (c) 6 17 (d) 7 + 23 (e) 7 (6)

Without using a calculator, evaluate
(a) 5 − 6 

(b) −1 − 2 

(c) 6 − 17

(d) −7 + 23
(e) −7 − (−6) 

(f) −4 − 9

(g) 7 − (−4)

(h) −9 − (−9)
(i) 12 − 43

( j) 2 + 6 − 10

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