发布网友 发布时间:2024-09-30 18:42
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热心网友 时间:2024-10-08 04:18
999×778+333×666999×778 666×333 =999*778+333*3*222 =999*(778+222)=999*1000 =999000
999×778+333×666的巧算办法。=999×1000 =999000
999*778+333*666怎样简算=999x1000 =999000 祝学习进步,望采纳,不懂的欢迎追问...
巧算:999X778十666X333999×778十666×333 =999×778十222×3×333 =999×778+222×999 =999×(778+222)=999×1000 =999000
999✖️778➕333✖️666巧算?=999×778+333×3×222 =999(778+222)=999x1000 =999000
999×778+666×333怎样巧算?把加号后面的666*333弄个999出来,好提公因数即可 999*778+666*333 =999*778+999*222 =999*(778+222)=999*1000=999000
333*666巧算333×666=221778。333*666的简便计算过程如下:333×666 =333×333×2 =111×3×333×2 =111×999×2 =[111×(1000-1)]×2 =[111000-111]×2 =222000-222 =221778
九百九十九乘七百七十八加六百六十六乘三百三十三巧算999x778+666x333 =999x778+222x3x333 =999(778+222)=999x1000 =999000 求采纳
333乘666+778乘999 的简便算法原式=333X3X222+778X999 =999X222+999X778 =999x(222+778)=999X1000 =999000
999X728+333X666=怎么巧算(1000-1)X728+(999-666)X(999-333)