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练习二十三,14,2. 看谁算得都对。,8 + 5 = 4 + 9 = 10 4 = 3 + 8 =5 + 7 = 6 + 8 = 10 + 5 = 9 6 =7 + 4 = 9 + 3 = 13 + 2 = 2 + 8 =,13,12,13,14,6,15,11,3,11,12,15,10,3.,14,=,3 + 8 + 5 = 6 + 7 3 = 5 + 8 2 = 9 5 + 9 = 3 + 2 + 7 = 18 8 6 =,16,13,10,12,11,4,7.,9+1+5=15（人）,