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Fundamentals of Mathematics, 2008a

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70 CHAPTER 1. ADDITION AND SUBTRACTION OF WHOLE NUMBERS<br />

Exercise 1.9.2<br />

529<br />

+161<br />

Exercise 1.9.3 (Solution on p. 87.)<br />

549<br />

+ 16<br />

Exercise 1.9.4<br />

726<br />

+892<br />

Exercise 1.9.5 (Solution on p. 87.)<br />

390<br />

+169<br />

Exercise 1.9.6<br />

166<br />

+660<br />

Exercise 1.9.7 (Solution on p. 88.)<br />

391<br />

+951<br />

Exercise 1.9.8<br />

48<br />

+36<br />

Exercise 1.9.9 (Solution on p. 88.)<br />

1, 103<br />

+ 898<br />

Exercise 1.9.10<br />

1, 642<br />

+ 899<br />

Exercise 1.9.11 (Solution on p. 88.)<br />

807<br />

+1, 156<br />

Exercise 1.9.12<br />

80, 349<br />

+ 2, 679<br />

Exercise 1.9.13 (Solution on p. 88.)<br />

70, 070<br />

+ 9, 386<br />

Exercise 1.9.14<br />

90, 874<br />

+ 2, 945<br />

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