5.55x445+55.5 x56.5-55.5 类型题
答案:2 悬赏:30 手机版
解决时间 2021-02-11 07:49
- 提问者网友:世勋超人
- 2021-02-11 00:22
5.55x445+55.5 x56.5-55.5 类型题
最佳答案
- 五星知识达人网友:洒脱疯子
- 2021-02-11 01:27
5.55x445+55.5 x56.5-55.5
=55.5x44.5+55.5x56.5-55.5
=55.5x(44.5+56.5-1)
=55.5x100
=5550
=55.5x44.5+55.5x56.5-55.5
=55.5x(44.5+56.5-1)
=55.5x100
=5550
全部回答
- 1楼网友:刀戟声无边
- 2021-02-11 02:08
5.55x445+55.5 x56.5-55.5
=5.55×445+5.55×565-5.55×10
=5.55×(445+565-10)
=5.55×1000
=5550
=5.55×445+5.55×565-5.55×10
=5.55×(445+565-10)
=5.55×1000
=5550
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