![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(324\cdot36-254\cdot72+18\cdot368\)
\(=18\cdot\left(324\cdot2-254\cdot3+368\right)\)
\(=18\cdot\left(648-1016+368\right)\)
\(=18\cdot\left(1016-1016\right)\)
\(=18\cdot0\)
\(=0\)
\(7364-\left(8475-4555\right)-364+445+475\)
\(=7364-8475+4555-364+445+475\)
\(=\left(7364-364\right)-\left(8475-475\right)+\left(4555+445\right)\)
\(=7000-8000+5000\)
\(=4000\)
\(21\cdot32\cdot43-21\cdot32\cdot40-21\cdot32\cdot3\)
\(=21\cdot32\cdot\left(43-40-3\right)\)
\(=21\cdot32\cdot0\)
\(=21\cdot0\)
\(=0\)
![](https://rs.olm.vn/images/avt/0.png?1311)
(475 - 89) - 475
= 475 - 89 - 475
= 475 - 475 - 89
= 0 - 89
= - 89
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
(2x-181)+35=475
2x-181=475-35
2x-181=440
2x=440+181
2x=621
x=621:2
x=310,5
![](https://rs.olm.vn/images/avt/0.png?1311)
456:2 x 18 + 456 :3 - 102
= 228 x 18 + 152 - 102
= 4104 + 50 = 4154
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
#giải:
125 . 456 + 456 . 31 - 256 . 444
= 456 . ( 125 + 31 ) - 256 . 444
= 456 . 256 - 256 . 444
= 256 . ( 456 - 444 )
= 256 . 12
= 3072
#By_Ami
\(\left(8475-456\right)-\left(475-7456\right)\)
\(=8019-\left(-6981\right)\)
\(=15000\)
\(\text{Hok tốt!}\)
\(\text{@Kaito Kid}\)