78.8-36-780%简便运算

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 19:06:26
78.8-36-780%简便运算
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78.8-36-780%简便运算
78.8-36-780%简便运算

78.8-36-780%简便运算
78.8-36-780%
=78.8-36-7.8
=78+0.8-36-7-0.8
=(78-36-7)+(0.8-0.8)
=35

∵780%=7.8
∴78.8-36-7.8
=71-36
=35

祝你学习进步,如果满意请选为满意回答哟O(∩_∩)O

78.8-36-780%
=78.8-36-7.8
=(71+7.8)-36-7.8
=71-36+(7.8-7.8)
=35

78.8-36-780%
=78.8-36-7.8
=35
祝你学习进步!
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