Add 40 instead of 34 (which is 6 too many), then subtract the extra 6.<br><br>&bull; 29 + 34 = 29 + 40 &minus; 6<br>&bull; 29 + 40 = 69<br>&bull; 69 &minus; 6 = 63<br><br>Final Answer: 6, 69, 6, 63