Report copyright - Lesson 12 - Online Math Learning · NYS COMMON CORE MATHEMATICS CURRICULUM Lesson 12 1 Lesson 12: ... 0 = ☐ 18 7 - 5 = ☐ 4 4 ... 5 = ☐ 27 ☐ = 9 - 2 13 2 + ☐ = 6 28 9
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