3500除以25x35的简便运算

如题所述

3500除以25x35的简便运算
(1)3500÷(25x35)
=(35x100)/(25x35)
=100/25
=4
(2)(3500÷25)x35
=(700÷5)x35
=140x35
=4900
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第1个回答  2016-04-28
3500÷25×35
=(3500×4)÷(25×4)×35
=14000÷100×35
=140×35
=70×2×35
=70×70
=4900