182 +17+33=
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, mk làm kết quả lun.
=12:{400:[500-(125+175)]}
=12:{400:[500-300]}
=12:{400:200}
=12:2
=6
b,
=110-18:3
= 110-6
=104
k mk nha. k xong mk làm tiếp. dài quá nhưng cx dễ
![](https://rs.olm.vn/images/avt/0.png?1311)
Câu 1 :\(289:17-324:18+18:3\)
\(=17-18+6\)
\(=-1+6\)
\(=5\)
Câu 2 : \(18.3-182+3.\left(51:17\right)\)
\(=18.3-182+3.3\)
\(=54-182+9\)
\(=-128+9\)
\(=-119\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a\)\(=6+182+3.3\)
\(=188+9=197\)
\(b;15-200:50\)
\(=15-4=11\)
\(c;200-60+\frac{170}{7}-8\)
\(=140+\frac{114}{7}\)
\(=\frac{1094}{7}\)
a)18 : 3 + 182 + 3.(51:17)
= 6 + 182 + 3.3
= 188 + 9
= 197
b) 15 - 25.8:(100:2)
= 15 - 200 : 50
= 15 - 4
= 11
c) 25.8 - 12.5 + 170:17 - 8
= 200 - 60 + 10 - 8
= 142
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\sqrt{17-\sqrt{33}}\sqrt{17+\sqrt{33}}=\sqrt{\left(17-\sqrt{33}\right)\left(17+\sqrt{33}\right)}\)
\(=\sqrt{17^2-33}=\sqrt{256}=16\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Quy ước: \(x^0=1\)
Đề bài: \(\left(\dfrac{5}{17}-\dfrac{8}{33}\right)-\left(\dfrac{25}{33}-\dfrac{12}{17}\right)-2023^0\)
\(=\dfrac{5}{17}-\dfrac{8}{33}-\dfrac{25}{33}+\dfrac{12}{17}-1\)
\(=\left(\dfrac{5}{17}+\dfrac{12}{17}\right)-\left(\dfrac{8}{33}+\dfrac{25}{33}\right)-1\)
\(=1-1-1\)
\(=-1\)
=(5/17-8/33)-(25/33-12/17)-2023^0
=5/17-8/33-25/33+12/17-1
=(5/17+12/17)+(-8/33-25/33)-1
=1+(-1)-1
=-1
Nhớ tick cho mình nha pls
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{5}{17}.\frac{16}{33}+\frac{5}{33}.\frac{20}{17}-\frac{2}{17}.\frac{5}{33}\)
\(=\frac{5}{17}.\frac{16}{33}+\frac{5}{17}.\frac{20}{33}-\frac{5}{17}.\frac{2}{33}\)
\(=\frac{5}{17}.\left(\frac{16}{33}+\frac{20}{33}-\frac{2}{33}\right)\)
\(=\frac{5}{17}.\frac{34}{33}\)
\(=\frac{10}{33}\)
Chúc bạn học tốt !!!
232 nha bn
@Mina
232 nha bạn. Ko cần k.