Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1449-[216-184:8).9]
=1449-[216-23).9]
=1449-(193.9)
=1449-1737
=-288
24 : { 300 : [ 375 ( 150 + 15 . 5 ) ] }
24 : { 300 : [ 375 ( 150 + 75 ) ] }
24 : [ 300 : ( 375 . 225 ) ]
24 : ( 300 : 84375 )
24 : 4/1125
= 6750
ok
24 : {300 : [375 - (150 + 15 x 5)
= 24 : {300 : [375 - (150 + 75)
= 24 : [300 : (375 - 225)]
= 24 : (300 : 150)
= 24 : 2
= 12
b) 1449 - {[(216 + 184) : 8] . 9}
= 1449 - {[400 : 8] : 9}
= 1449 - {50 : 9}
= 1449 - \(\frac{50}{9}\)
= \(\frac{12991}{9}\)
c) 342 . 163 + 337 . 342 - 103 . 171
= 342 . (163 + 337) - 1000 . 171
= 342 . 500 - 500 . 2 . 171
= 500 . (342 - 2 - 171)
= 500 . 169
= 84500
a)(-24)+6+10+24
=[(-24)+24]+(6+10)
=0+16
=16
b)[150-(216+184):8]
=[150-400:8]
=150-50
=100
a, \(24:\left\{300:\left[375-\left(150+15.5\right)\right]\right\}\)
\(=24:\left\{300:\left[375-\left(150+325\right)\right]\right\}\)
\(=24:\left\{300:\left[375-225\right]\right\}\)
\(=24:\left\{300:150\right\}\)
\(=24:2=12\)
b, \(1449:\left[\left(216+184\right):8\right].9\)
\(=1449:\left[400:8\right].9\)
\(=1449:50.9\)
\(=28,98.9=260,82\)
c, \(222+224+......+444\)
\(=\dfrac{\left[\left(444-222\right):2+1\right]\left(444+222\right)}{2}\)
\(=37264\)
d, \(127.36+64.127-127.100\)
\(=127\left(36+64-100\right)\)
\(=127.0=0\)
24:\(\left\{300:\left[375-\left(150+15.5\right)\right]\right\}\)
=24:\(\left\{300:\left[375-15.\left(10-5\right)\right]\right\}\)
=24:\(\left\{300:\left[15.25-15.5\right]\right\}\)
=24:\(\left\{300:\left[15.\left(25-5\right)\right]\right\}\)
=24:\(\left\{300:\left[15.20\right]\right\}\)
=24:\(\left\{300:300\right\}\)
=24:1=24