sfueney09 sfueney09 17-02-2021 Mathematics contestada Choose the two number sentences that are true. A. 5+7= 11+2 B. 3 + 3 = 20 - 9 C. 5+9 = 19 - 4 D. 12 +7 = 5 + 14 E18 - 6 = 15 - 1