小学一年级数学题68+7有几种算法
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解决时间 2021-11-07 04:14
- 提问者网友:你独家记忆
- 2021-11-06 18:44
小学一年级数学题68+7有几种算法
最佳答案
- 五星知识达人网友:白昼之月
- 2021-11-06 20:14
小学一年级数学题68+7有几种算法
(1)68+7
=(70-2)+7
=70+7-2
=70+5
=75
(2)68+7
=60+8+7
=60+15
=75
(3)68+7
=(70-2)+(10-3)
=70+10-2-3
=80-5
=75
(4)68+7
=65+3+5+2
=65+5+3+2
=65+5+5
=65+10
=75
(5)68+7
=65+3+7
=65+10
=75
(1)68+7
=(70-2)+7
=70+7-2
=70+5
=75
(2)68+7
=60+8+7
=60+15
=75
(3)68+7
=(70-2)+(10-3)
=70+10-2-3
=80-5
=75
(4)68+7
=65+3+5+2
=65+5+3+2
=65+5+5
=65+10
=75
(5)68+7
=65+3+7
=65+10
=75
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