(641+395)÷37简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 09:31:19
![(641+395)÷37简便算法](/uploads/image/z/311463-63-3.jpg?t=%28641%2B395%29%C3%B737%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
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(641+395)÷37简便算法
(641+395)÷37简便算法
(641+395)÷37简便算法
(641+395)÷37
=1036÷37
=28
641=370+271
395=370+25
271+25=296
296=370--74=37*10-74=37*8
370+370+296=37*10+37*10+37*(10-2)=37*28
=28