35x47-400÷25简便计算?
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35x47-400÷25
=35x47-4x100÷25
=35x47-4x4
=35x47-16
=35x(50-3)-16
=1750-105-16
=1750-(105+16)
=1750-121
=1629
=35x47-4x100÷25
=35x47-4x4
=35x47-16
=35x(50-3)-16
=1750-105-16
=1750-(105+16)
=1750-121
=1629
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