G.12 Complete addition sentences
Complete the addition sentence:
753 = 231 +
738 = 125 +
733 = 221 +
888 = 388 +
764 = 103 +
902 = 421 +
981 = 431 +
756 = 236 +
620 = 210 +
685 = 243 +
913 = 115 +
678 = 208 +
852 = 204 +
732 = 212 +
945 = 326 +
951 = 440 +
864 = 124 +
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