Evaluate
253
Factor
11\times 23
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70.8+35.5+38.6+35.9+39.7+36.5-4
Add 36.7 and 34.1 to get 70.8.
106.3+38.6+35.9+39.7+36.5-4
Add 70.8 and 35.5 to get 106.3.
144.9+35.9+39.7+36.5-4
Add 106.3 and 38.6 to get 144.9.
180.8+39.7+36.5-4
Add 144.9 and 35.9 to get 180.8.
220.5+36.5-4
Add 180.8 and 39.7 to get 220.5.
257-4
Add 220.5 and 36.5 to get 257.
253
Subtract 4 from 257 to get 253.
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