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     9 + 8 =                 
1.                plus                equals                
    16 +                = 30
2.                plus                 equals               .        
                   + 12 = 79
3.                plus                  equals               .  
     80 +                = 100
4.                plus                  equals               .
1. 17, nine, eight, seventeen  2. 14, sixteen, fourteen, thirty 
3. 67, sixty-seven, twelve, seventy-nine  4. 20, eighty, twenty, one hundred
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