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97×124
=(100-3)x124
=100x124-3x124
=12400-472
=12400-(500-28)
=12400-500+28
=11900+28
=11928
谢谢,请采纳
=(100-3)x124
=100x124-3x124
=12400-472
=12400-(500-28)
=12400-500+28
=11900+28
=11928
谢谢,请采纳
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