\(39:52,3=0,74....\)
\(39:52,3=0\text{ dư }32\)
b). Tìm x:
\(225:\left(x-7\right)=13\text{ dư }4\)
\(\Rightarrow x-7=\left(225-4\right):13\)
\(\Rightarrow x-7=221:13\)
\(\Rightarrow x-7=17\)
\(\Rightarrow x=17+7\)
\(\Rightarrow x=24.\)
Đúng 0
Bình luận (0)