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数学
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163×56×125 和127×16×15.这两道题怎么简便运算,
人气:158 ℃ 时间:2020-06-05 20:05:59
解答
163×56×125
=(163*7)*(8*125)
=1141*1000
=1141000
127×16×15
=127*4*(4*15)
=508*60
=30480
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