9分之5X(5分之9十18)
答案:1 悬赏:10 手机版
解决时间 2021-03-19 23:35
- 提问者网友:孤山下
- 2021-03-19 18:18
9分之5X(5分之9十18)
最佳答案
- 五星知识达人网友:煞尾
- 2021-03-19 19:46
=5/9×9/5+5/9×18
=1+10
=11追答=5/9×6/5+4/9×6/5
=(5/9+4/9)×6/5
=1×6/5
=6/54×5/4-4/5×1/4
=5-1/5
=4又4/5最后一题是2/10还是7/10=7/11÷(2/5-3/10)
=7/11÷1/10
=7/11×10
=70/11
=1+10
=11追答=5/9×6/5+4/9×6/5
=(5/9+4/9)×6/5
=1×6/5
=6/54×5/4-4/5×1/4
=5-1/5
=4又4/5最后一题是2/10还是7/10=7/11÷(2/5-3/10)
=7/11÷1/10
=7/11×10
=70/11
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