450*70-45*60简便方法
答案:5 悬赏:60 手机版
解决时间 2021-02-14 12:38
- 提问者网友:谁的错
- 2021-02-14 08:38
450*70-45*60简便方法
最佳答案
- 五星知识达人网友:掌灯师
- 2021-02-14 09:26
=45×700-45×60
=45×(700-60)
=45×640
=28800追答450×70-45×60
=45×10×70-45×60
=45×700-45×60
=45×(700-60)
=45×640
=28800450×70-45×60
=45×10×70-45×60
=45×700-45×60
=45×(700-60)
=45×640
=45×2×320
=90×320
=28800
=45×(700-60)
=45×640
=28800追答450×70-45×60
=45×10×70-45×60
=45×700-45×60
=45×(700-60)
=45×640
=28800450×70-45×60
=45×10×70-45×60
=45×700-45×60
=45×(700-60)
=45×640
=45×2×320
=90×320
=28800
全部回答
- 1楼网友:痴妹与他
- 2021-02-14 12:30
400*70+50*70-40*60-5*60=28000+3500-2400-300=28800
- 2楼网友:归鹤鸣
- 2021-02-14 11:34
=45X70x10—45X60
=45X(700—60)
=45X640
=28800
=45X(700—60)
=45X640
=28800
- 3楼网友:往事埋风中
- 2021-02-14 09:58
450*70-45*60简便方法
=450×(70-6)
=450×64
=450×2×32
=900×32
=(1000-100)×32
=32000-3200
=28800
=450×(70-6)
=450×64
=450×2×32
=900×32
=(1000-100)×32
=32000-3200
=28800
- 4楼网友:何以畏孤独
- 2021-02-14 09:49
450x70-45x60
=45x(700-60)
=45x600+45x40
=27000+1800
=28800
=45x(700-60)
=45x600+45x40
=27000+1800
=28800
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