it is impossible to prove that minus times minus is plus ; but the rule always works. 3. if you...

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Page 1: it is impossible to prove that minus times minus is plus ; but the rule always works. 3. If you write the first three odd numtxrs twice each, thus, 113355, and then put the last three
Page 2: it is impossible to prove that minus times minus is plus ; but the rule always works. 3. If you write the first three odd numtxrs twice each, thus, 113355, and then put the last three
Page 3: it is impossible to prove that minus times minus is plus ; but the rule always works. 3. If you write the first three odd numtxrs twice each, thus, 113355, and then put the last three
Page 4: it is impossible to prove that minus times minus is plus ; but the rule always works. 3. If you write the first three odd numtxrs twice each, thus, 113355, and then put the last three