Solve each of the following addition problems. a. 56 + 378 + 299 = b. 32,465 + 16,002 + 5,432 = c. 231 + 43 + 309 = d. 3,256 + 14,578 + 20,432 = e. 541 + 1,327 + 1,567 = f. 117 + 306 = g. 17 + 288 + 432 = h. 24 + 11 + 9 = i. 164 + 46 + 327 = j.
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