Question: Use the addition table to answer part (a) through (d). Click the icon to view the addition table. Write a rule for finding such

Use the addition table to answer part (a) through (d). Click the

Use the addition table to answer part (a) through (d). Click the icon to view the addition table. Write a rule for finding such sums almost at a glance. Choose the correct answer below. A. Sum = (upper right entry) +4 B. Sum=4x (upper right entry) C. Sum = (upper left entry) x (lower right entry) D. Sum = (upper right entry) - 4 E. Sum 2x (upper right entry) (b) Find the sum of the entries in these squares of entries from the table. 0 1 2 1 2 3 2 3 4 10 11 12 13 11 12 13 12 13 14 14 15 Sum = 108 Sun Sum=18 (c) Write a clear and simple rule for computing these sums. Choose the correct answer below. A. Sum (upper left entry) x (lower right entry) B. Sum = (upper right entry) - 3 c. Sum = 9x (upper right entry) OD. Sum=4x (upper right entry) E. Sum = (upper right entry) +9

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