3.17-2.74 + 4.7 + 5.26-0.26 + 6.3 simple calculation

3.17-2.74+4.7+5.26-0.26+6.3
=3.17+4.7-2.74+5+6.3
=7.87-2.74+11.3
=5.13+11.3
=16.43

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