简便运算3.64+3.84×99
问题补充说明:简便运算3.64+3.84×99
3.64+3.84×99
=3.84-0.2+3.84×99
=3.84×(1+99)-0.2
=3.84×100-0.2
=384-0.2
=383.8
标签:
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简便运算3.64+3.84×99
问题补充说明:简便运算3.64+3.84×99
3.64+3.84×99
=3.84-0.2+3.84×99
=3.84×(1+99)-0.2
=3.84×100-0.2
=384-0.2
=383.8
标签: