2^10:2⁵+3².2²-4³

=2⁵⁺9.4-64

=32+36-64

=68-64

=4

ngu dẫy mà k biết giải

ngu quá luôn

=1149-[(216+184):2^3].3^2

=1149-[400:8].9

=1149-50.9

=1149-450=699

Bị dư 1 ngoặc

= 1149 - (400:8) . 9

= 1149 - 50 . 9

= 1149 - 450

= 699

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

1: \(347\cdot2^2-2^2\cdot\left(216+184\right):8\)

\(=347\cdot4-4\cdot400:8\)

\(=347\cdot4-4\cdot50=4\cdot\left(347-50\right)=4\cdot297=1188\)

2: \(132-\left\lbrack116-\left(132-128\right)^2\right\rbrack\)

\(=132-\left\lbrack116-4^2\right\rbrack\)

=132-(116-16)

=132-100

=32

3: \(16:\left\lbrace400:\left\lbrack200-\left(37+46\cdot3\right)\right\rbrack\right\rbrace\)

=16:{400:[200-(37+138)]}

=16:{400:[200-175]}

=16:{400:25}

=16:16

=1

4: \(\left\lbrace184:\left\lbrack96-124:31\right\rbrack-2\right\rbrace\cdot3651\)

\(=\left\lbrace\frac{184}{96-4}-2\right\rbrace\cdot3651\)

=(184:92-2)*3651

=0

5: \(46-\left\lbrack\left(16+71\cdot4\right):15\right\rbrack-2\)

=46-[(16+284):15]-2

=46-300:15-2

=46-20-2

=46-22

=24

6: \(3^3\cdot18+72\cdot4^2-41\cdot18\)

\(=18\left(3^3-41\right)+72\cdot16\)

\(=18\cdot\left(27-41\right)+18\cdot64\)

=18(-14+64)

=18*50

=900

7: \(\left(56\cdot46-25\cdot23\right):23\)

\(=56\cdot\frac{46}{23}-25\)

=112-25

=87

8: \(\left(28\cdot54+56\cdot36\right):21:2\)

\(=18\cdot28\left(3+2\cdot2\right):42\)

\(=18\cdot\frac{28}{42}\cdot7=18\cdot\frac23\cdot7=12\cdot7=84\)

9: \(\left(76\cdot34-19\cdot64\right):\left(38\cdot9\right)\)

\(=\frac{19\cdot\left(4\cdot34-64\right)}{38\cdot9}=\frac{4\cdot34-64}{9\cdot2}=\frac{4\cdot\left(34-16\right)}{18}=4\)

10: \(\left(2+4+6+\cdots+100\right)\cdot\left(36\cdot333-108\cdot111\right)\)

\(=\left(2+4+6+\cdots+100\right)\cdot36\cdot111\left(3-3\right)\)

=0

11: \(\left(5\cdot4^{11}-3\cdot16^5\right):4^{10}\)

\(=\left(5\cdot4^{11}-3\cdot4^{10}\right):4^{10}\)

\(=5\cdot\frac{4^{11}}{4^{10}}-3\cdot\frac{4^{10}}{4^{10}}\)

=20-3

=17

12: \(\frac{7256\cdot4375-725}{3650+4375\cdot7255}=\frac{7255\cdot4375+4375-725}{7255\cdot4375+3650}\)

\(=\frac{7255\cdot4375+3650}{7255\cdot4375+3650}\)

=1

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

bạn tính 1²+2²+3² +...+ 108²  rồi bạn nhân 4 lên là đc