Second Grade Challenging Math
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2-7)    Answer

        a)  999 + 99 + 2 =  999 + 1 + 99 + 1 = 1000 + 100 = 1100

             b)  998 + 998 + 4 + 9 + 9 = 998 + 2 + 998 + 2 + 18 = 2018