简便运算 121121121121/212121212121*121212121212/212212212212 一步一步写全给10分
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/14 03:39:24
![简便运算 121121121121/212121212121*121212121212/212212212212 一步一步写全给10分](/uploads/image/z/590979-3-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97+121121121121%2F212121212121%2A121212121212%2F212212212212+%E4%B8%80%E6%AD%A5%E4%B8%80%E6%AD%A5%E5%86%99%E5%85%A8%E7%BB%9910%E5%88%86)
x){ɾ/Oxn!"$G
Ov4<[B>mu3
v$|;#l5jHS_̇CM-
#d-A
clnh_\g
09L74i8`!E'X[z8tޗ! -yΠ
简便运算 121121121121/212121212121*121212121212/212212212212 一步一步写全给10分
简便运算 121121121121/212121212121*121212121212/212212212212 一步一步写全给10分
简便运算 121121121121/212121212121*121212121212/212212212212 一步一步写全给10分
121121121121/212121212121*121212121212/212212212212
=(121*1001001001)/(21*10101010101)*(12*10101010101)/(212*1001001001)
=(121*12)/(21*212)
=121/371
简便运算。(121121121121/212121212121)×(121212121212/212212212212) =(121121121121/212212212212)×(121212121212/212121212121) =121/212*(12/21) =121/371
好难